diff --git a/.eslintignore b/.eslintignore
index d6126e3d..6e22ae1f 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -1,2 +1,19 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
 lib
 examples
diff --git a/.eslintrc b/.eslintrc
index 31c520b9..69a49de8 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -1,3 +1,20 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
 {
   "parser": "@typescript-eslint/parser",
   "extends": ["plugin:@typescript-eslint/recommended", "prettier/@typescript-eslint", "plugin:prettier/recommended"],
diff --git a/.github/semantic.yml b/.github/semantic.yml
index 96f92336..33a35211 100644
--- a/.github/semantic.yml
+++ b/.github/semantic.yml
@@ -1,2 +1,19 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
 # Always validate the PR title AND all the commits
 titleAndCommits: true
diff --git a/.gitignore b/.gitignore
index 2096cdbf..2ade568a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,19 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 .idea
 .vscode
 node_modules
diff --git a/.rat-excludes b/.rat-excludes
new file mode 100644
index 00000000..dad26cdd
--- /dev/null
+++ b/.rat-excludes
@@ -0,0 +1,163 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+# Empty file; no creative content
+.gitattributes
+# Strict JSON metadata/configuration; covered by root legal files
+.prettierrc
+# Project-contributed logo; history reviewed separately
+casbin-logo.png
+# Policy fixture data: header would become a policy rule
+examples/abac_rule_effect_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/abac_rule_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/basic_inverse_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/basic_keyget2_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/basic_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/basic_without_resources_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/basic_without_users_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/glob_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/ipmatch_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/issues/node_casbin_150_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/keymatch2_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/keymatch_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/mulitple_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/multiple_policy_definitions_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/priority_indeterminate_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/priority_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/priority_policy_explicit.csv
+# Policy fixture data: header would become a policy rule
+examples/priority_policy_explicit_update.csv
+# Policy fixture data: header would become a policy rule
+examples/rbac_g2_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/rbac_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/rbac_with_all_pattern_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/rbac_with_deny_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/rbac_with_domain_pattern_in_policy_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/rbac_with_domain_pattern_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/rbac_with_domains_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/rbac_with_domains_policy2.csv
+# Policy fixture data: header would become a policy rule
+examples/rbac_with_hierarchical_domains_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/rbac_with_hierarchy_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/rbac_with_hierarchy_with_domains_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/rbac_with_multiple_policy_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/rbac_with_pattern_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/rbac_with_resource_roles_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/subject_priority_policy.csv
+# Policy fixture data: header would become a policy rule
+examples/subject_priority_policy_simple.csv
+# Policy fixture data: header would become a policy rule
+examples/subject_priority_policy_with_domain.csv
+# Strict JSON metadata/configuration; covered by root legal files
+package.json
+# Dependency-manager generated resolution data
+yarn.lock
+# Simple model configuration fixture; original bytes retained
+examples/abac_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/abac_not_using_policy_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/abac_rule_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/basic_keyget2_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/basic_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/basic_with_root_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/basic_without_resources_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/basic_without_users_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/glob_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/in_operator_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/ipmatch_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/issues/node_casbin_150_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/keymatch2_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/keymatch_custom_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/keymatch_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/multiple_policy_definitions_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/priority_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/priority_model_explicit.conf
+# Simple model configuration fixture; original bytes retained
+examples/rbac_g2_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/rbac_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/rbac_with_all_pattern_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/rbac_with_deny_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/rbac_with_domain_pattern_in_policy_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/rbac_with_domain_pattern_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/rbac_with_domains_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/rbac_with_hierarchical_domains_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/rbac_with_multiple_policy_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/rbac_with_not_deny_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/rbac_with_pattern_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/rbac_with_resource_roles_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/subject_priority_model.conf
+# Simple model configuration fixture; original bytes retained
+examples/subject_priority_model_with_domain.conf
+# Simple INI parser input fixture; original bytes retained
+test/config/testini.ini
diff --git a/NOTICE b/NOTICE
index dfa082b6..697b2529 100644
--- a/NOTICE
+++ b/NOTICE
@@ -6,3 +6,11 @@ The Apache Software Foundation (https://www.apache.org/).
 
 Portions of this software were originally developed by the Casbin project.
 Copyright 2017-2026 The casbin Authors.
+Copyright 2017 The casbin Authors. All Rights Reserved.
+Copyright 2018 The Casbin Authors. All Rights Reserved.
+Copyright 2019 The Casbin Authors. All Rights Reserved.
+Copyright 2020 The Casbin Authors. All Rights Reserved.
+Copyright 2021 The Casbin Authors. All Rights Reserved.
+Copyright 2022 The Casbin Authors. All Rights Reserved.
+Copyright 2023 The Casbin Authors. All Rights Reserved.
+Copyright 2026 The Casbin Authors. All Rights Reserved.
diff --git a/jest.config.js b/jest.config.js
index 7356976f..768d4482 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -1,3 +1,19 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 module.exports = {
   testEnvironment: 'node',
   transform: {
diff --git a/src/cachedEnforcer.ts b/src/cachedEnforcer.ts
index 69537035..e0dde83a 100644
--- a/src/cachedEnforcer.ts
+++ b/src/cachedEnforcer.ts
@@ -1,16 +1,19 @@
-// Copyright 2020 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { Enforcer, NewEnforcerParams, newEnforcerWithClass } from './enforcer';
 
diff --git a/src/config.ts b/src/config.ts
index 674f1e7e..1954eaf5 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -1,16 +1,19 @@
-// Copyright 2018 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { FileSystem, mustGetDefaultFileSystem } from './persist';
 
diff --git a/src/constants.ts b/src/constants.ts
index 44f1c2da..c78bddc8 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -1,16 +1,19 @@
-// Copyright 2022 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 export const enum EffectExpress {
   ALLOW = 'some(where (p_eft == allow))',
diff --git a/src/coreEnforcer.ts b/src/coreEnforcer.ts
index 8cfe6f4b..571e1125 100644
--- a/src/coreEnforcer.ts
+++ b/src/coreEnforcer.ts
@@ -1,16 +1,19 @@
-// Copyright 2018 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { compile, compileAsync, addBinaryOp } from '@casbin/expression-eval';
 
diff --git a/src/effect/defaultEffector.ts b/src/effect/defaultEffector.ts
index 0ee10bba..60f9d54e 100644
--- a/src/effect/defaultEffector.ts
+++ b/src/effect/defaultEffector.ts
@@ -1,16 +1,19 @@
-// Copyright 2018 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { Effector } from './effector';
 import { EffectorStream } from './effectorStream';
diff --git a/src/effect/defaultEffectorStream.ts b/src/effect/defaultEffectorStream.ts
index 3d578b57..4c82fd56 100644
--- a/src/effect/defaultEffectorStream.ts
+++ b/src/effect/defaultEffectorStream.ts
@@ -1,16 +1,19 @@
-// Copyright 2020 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { EffectorStream } from './effectorStream';
 import { Effect } from './effector';
diff --git a/src/effect/effector.ts b/src/effect/effector.ts
index ad729fcd..20650347 100644
--- a/src/effect/effector.ts
+++ b/src/effect/effector.ts
@@ -1,16 +1,19 @@
-// Copyright 2018 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 // Effect is the result for a policy rule.
 // Values for policy effect.
diff --git a/src/effect/effectorStream.ts b/src/effect/effectorStream.ts
index b4500875..8a54de78 100644
--- a/src/effect/effectorStream.ts
+++ b/src/effect/effectorStream.ts
@@ -1,16 +1,19 @@
-// Copyright 2020 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { Effect } from './effector';
 
diff --git a/src/effect/index.ts b/src/effect/index.ts
index dfbaf62d..4b8b64bb 100644
--- a/src/effect/index.ts
+++ b/src/effect/index.ts
@@ -1,16 +1,19 @@
-// Copyright 2018 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 export * from './effector';
 export * from './effectorStream';
diff --git a/src/enforceContext.ts b/src/enforceContext.ts
index eb9bcc5c..e6a65b30 100644
--- a/src/enforceContext.ts
+++ b/src/enforceContext.ts
@@ -1,16 +1,19 @@
-// Copyright 2023 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 export class EnforceContext {
   public pType: string;
diff --git a/src/enforcer.ts b/src/enforcer.ts
index fc831a6f..54354673 100644
--- a/src/enforcer.ts
+++ b/src/enforcer.ts
@@ -1,16 +1,19 @@
-// Copyright 2018 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { ManagementEnforcer } from './managementEnforcer';
 import { Model, newModelFromFile } from './model';
diff --git a/src/frontend.ts b/src/frontend.ts
index b49e970f..160d86a1 100644
--- a/src/frontend.ts
+++ b/src/frontend.ts
@@ -1,16 +1,19 @@
-// Copyright 2020 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { Enforcer } from './enforcer';
 import { deepCopy } from './util';
diff --git a/src/global.d.ts b/src/global.d.ts
index 89f824b4..736102fd 100644
--- a/src/global.d.ts
+++ b/src/global.d.ts
@@ -1,15 +1,18 @@
-// Copyright 2023 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 declare const __non_webpack_require__: NodeRequireFunction;
diff --git a/src/index.ts b/src/index.ts
index a6500aaf..8e97d7c0 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,16 +1,19 @@
-// Copyright 2019 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import * as Util from './util';
 import { setDefaultFileSystem } from './persist';
diff --git a/src/internalEnforcer.ts b/src/internalEnforcer.ts
index 9f7792be..8ed97ac2 100644
--- a/src/internalEnforcer.ts
+++ b/src/internalEnforcer.ts
@@ -1,16 +1,19 @@
-// Copyright 2018 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { CoreEnforcer } from './coreEnforcer';
 import { BatchAdapter } from './persist';
diff --git a/src/log/defaultLogger.ts b/src/log/defaultLogger.ts
index 88b83f89..5171e217 100644
--- a/src/log/defaultLogger.ts
+++ b/src/log/defaultLogger.ts
@@ -1,16 +1,19 @@
-// Copyright 2019 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { Logger } from './logger';
 
diff --git a/src/log/index.ts b/src/log/index.ts
index c1edf6ec..1c295421 100644
--- a/src/log/index.ts
+++ b/src/log/index.ts
@@ -1,16 +1,19 @@
-// Copyright 2019 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 export * from './defaultLogger';
 export * from './logger';
diff --git a/src/log/logUtil.ts b/src/log/logUtil.ts
index 146910dc..5d204ed8 100644
--- a/src/log/logUtil.ts
+++ b/src/log/logUtil.ts
@@ -1,16 +1,19 @@
-// Copyright 2019 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { DefaultLogger } from './defaultLogger';
 import { Logger } from './logger';
diff --git a/src/log/logger.ts b/src/log/logger.ts
index 7fd0874f..37c073bd 100644
--- a/src/log/logger.ts
+++ b/src/log/logger.ts
@@ -1,16 +1,19 @@
-// Copyright 2019 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 // Logger is the logging interface implementation.
 export interface Logger {
diff --git a/src/managementEnforcer.ts b/src/managementEnforcer.ts
index f5d00255..8864ed7c 100644
--- a/src/managementEnforcer.ts
+++ b/src/managementEnforcer.ts
@@ -1,16 +1,19 @@
-// Copyright 2018 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { InternalEnforcer } from './internalEnforcer';
 import { MatchingFunction } from './model';
diff --git a/src/model/assertion.ts b/src/model/assertion.ts
index 727bf179..f39e5eda 100644
--- a/src/model/assertion.ts
+++ b/src/model/assertion.ts
@@ -1,16 +1,19 @@
-// Copyright 2017 The casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import * as rbac from '../rbac';
 import { logPrint } from '../log';
diff --git a/src/model/functionMap.ts b/src/model/functionMap.ts
index 0c3ef89b..0cd5067a 100644
--- a/src/model/functionMap.ts
+++ b/src/model/functionMap.ts
@@ -1,16 +1,19 @@
-// Copyright 2017 The casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import * as util from '../util';
 
diff --git a/src/model/index.ts b/src/model/index.ts
index 49e67fff..d105dc06 100644
--- a/src/model/index.ts
+++ b/src/model/index.ts
@@ -1,16 +1,19 @@
-// Copyright 2018 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 export * from './assertion';
 export * from './functionMap';
diff --git a/src/model/model.ts b/src/model/model.ts
index 20ffda0c..d93fbd3e 100644
--- a/src/model/model.ts
+++ b/src/model/model.ts
@@ -1,16 +1,19 @@
-// Copyright 2018 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import * as rbac from '../rbac';
 import * as util from '../util';
diff --git a/src/persist/adapter.ts b/src/persist/adapter.ts
index 733e6fb8..d524337d 100644
--- a/src/persist/adapter.ts
+++ b/src/persist/adapter.ts
@@ -1,16 +1,19 @@
-// Copyright 2018 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { Model } from '../model';
 
diff --git a/src/persist/batchAdapter.ts b/src/persist/batchAdapter.ts
index b436f8d0..ad436dc2 100644
--- a/src/persist/batchAdapter.ts
+++ b/src/persist/batchAdapter.ts
@@ -1,3 +1,19 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 import { Adapter } from './adapter';
 
 // BatchAdapter is the interface for Casbin adapters with multiple add and remove policy functions.
diff --git a/src/persist/batchFileAdapter.ts b/src/persist/batchFileAdapter.ts
index d764f188..b7fd596a 100644
--- a/src/persist/batchFileAdapter.ts
+++ b/src/persist/batchFileAdapter.ts
@@ -1,3 +1,19 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 import { FileAdapter } from './fileAdapter';
 import { BatchAdapter } from './batchAdapter';
 
diff --git a/src/persist/defaultFilteredAdapter.ts b/src/persist/defaultFilteredAdapter.ts
index c422f1fa..3d3f8d9b 100644
--- a/src/persist/defaultFilteredAdapter.ts
+++ b/src/persist/defaultFilteredAdapter.ts
@@ -1,3 +1,19 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 import { FilteredAdapter } from './filteredAdapter';
 import { Model } from '../model';
 import { FileAdapter } from './fileAdapter';
diff --git a/src/persist/fileAdapter.ts b/src/persist/fileAdapter.ts
index bc167383..6d5672f0 100644
--- a/src/persist/fileAdapter.ts
+++ b/src/persist/fileAdapter.ts
@@ -1,3 +1,19 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 import { Adapter } from './adapter';
 import { Model } from '../model';
 import { Helper } from './helper';
diff --git a/src/persist/fileSystem.ts b/src/persist/fileSystem.ts
index 736184bb..3caf373f 100644
--- a/src/persist/fileSystem.ts
+++ b/src/persist/fileSystem.ts
@@ -1,3 +1,19 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 export interface FileSystem {
   readFileSync(path: string, encoding?: string): Buffer | string;
   writeFileSync(path: string, text: string, encoding?: string): void;
diff --git a/src/persist/filteredAdapter.ts b/src/persist/filteredAdapter.ts
index 924f0e67..3ae97abd 100644
--- a/src/persist/filteredAdapter.ts
+++ b/src/persist/filteredAdapter.ts
@@ -1,3 +1,19 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 import { Model } from '../model';
 import { Adapter } from './adapter';
 
diff --git a/src/persist/helper.ts b/src/persist/helper.ts
index 2ddbb88f..26744c28 100644
--- a/src/persist/helper.ts
+++ b/src/persist/helper.ts
@@ -1,3 +1,19 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 import { Model } from '../model';
 import { parse } from 'csv-parse/sync';
 
diff --git a/src/persist/index.ts b/src/persist/index.ts
index ce31b18f..2f0d6333 100644
--- a/src/persist/index.ts
+++ b/src/persist/index.ts
@@ -1,3 +1,19 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 export * from './adapter';
 export * from './fileAdapter';
 export * from './stringAdapter';
diff --git a/src/persist/stringAdapter.ts b/src/persist/stringAdapter.ts
index 8cf43a8d..bb7a3bf9 100644
--- a/src/persist/stringAdapter.ts
+++ b/src/persist/stringAdapter.ts
@@ -1,3 +1,19 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 import { Adapter } from './adapter';
 import { Model } from '../model';
 import { Helper } from './helper';
diff --git a/src/persist/updatableAdapter.ts b/src/persist/updatableAdapter.ts
index 11b04f16..93e61c52 100644
--- a/src/persist/updatableAdapter.ts
+++ b/src/persist/updatableAdapter.ts
@@ -1,16 +1,19 @@
-// Copyright 2021 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { Adapter } from './adapter';
 
diff --git a/src/persist/watcher.ts b/src/persist/watcher.ts
index 7079e251..2eb4f55f 100644
--- a/src/persist/watcher.ts
+++ b/src/persist/watcher.ts
@@ -1,16 +1,19 @@
-// Copyright 2018 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 export interface Watcher {
   setUpdateCallback(cb: () => void): void;
diff --git a/src/persist/watcherEx.ts b/src/persist/watcherEx.ts
index 337bba76..0b2cf0ea 100644
--- a/src/persist/watcherEx.ts
+++ b/src/persist/watcherEx.ts
@@ -1,16 +1,19 @@
-// Copyright 2022 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { Model } from '../model';
 
diff --git a/src/rbac/defaultRoleManager.ts b/src/rbac/defaultRoleManager.ts
index 78b5eafb..eb04112e 100644
--- a/src/rbac/defaultRoleManager.ts
+++ b/src/rbac/defaultRoleManager.ts
@@ -1,16 +1,19 @@
-// Copyright 2018 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { RoleManager } from './roleManager';
 import { getLogger, logPrint } from '../log';
diff --git a/src/rbac/index.ts b/src/rbac/index.ts
index a2e1042c..0d1d0af4 100644
--- a/src/rbac/index.ts
+++ b/src/rbac/index.ts
@@ -1,16 +1,19 @@
-// Copyright 2018 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 export * from './defaultRoleManager';
 export * from './roleManager';
diff --git a/src/rbac/roleManager.ts b/src/rbac/roleManager.ts
index 5b0ffb1f..d571b6cb 100644
--- a/src/rbac/roleManager.ts
+++ b/src/rbac/roleManager.ts
@@ -1,16 +1,19 @@
-// Copyright 2018 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 // RoleManager provides interface to define the operations for managing roles.
 export interface RoleManager {
diff --git a/src/syncedEnforcer.ts b/src/syncedEnforcer.ts
index d9922c8e..e55959e0 100644
--- a/src/syncedEnforcer.ts
+++ b/src/syncedEnforcer.ts
@@ -1,16 +1,19 @@
-// Copyright 2020 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { Enforcer, NewEnforcerParams, newEnforcerWithClass } from './enforcer';
 import AwaitLock from 'await-lock';
diff --git a/src/util/builtinOperators.ts b/src/util/builtinOperators.ts
index 94e3414b..aa21f6d3 100644
--- a/src/util/builtinOperators.ts
+++ b/src/util/builtinOperators.ts
@@ -1,16 +1,19 @@
-// Copyright 2017 The casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the 'License');
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an 'AS IS' BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import * as rbac from '../rbac';
 import { ip } from './ip';
diff --git a/src/util/index.ts b/src/util/index.ts
index e5e16d3b..61d23268 100644
--- a/src/util/index.ts
+++ b/src/util/index.ts
@@ -1,16 +1,19 @@
-// Copyright 2018 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 export * from './builtinOperators';
 export * from './util';
diff --git a/src/util/util.ts b/src/util/util.ts
index e148e779..eef97259 100644
--- a/src/util/util.ts
+++ b/src/util/util.ts
@@ -1,16 +1,19 @@
-// Copyright 2017 The casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the 'License');
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an 'AS IS' BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 // escapeAssertion escapes the dots in the assertion,
 // because the expression evaluation doesn't support such variable names.
diff --git a/test/cachedEnforcer.test.ts b/test/cachedEnforcer.test.ts
index 75c2fc17..f0a39da9 100644
--- a/test/cachedEnforcer.test.ts
+++ b/test/cachedEnforcer.test.ts
@@ -1,16 +1,19 @@
-// Copyright 2020 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { Enforcer, newCachedEnforcer } from '../src';
 
diff --git a/test/config/config.test.ts b/test/config/config.test.ts
index 9bdae025..69bf6b75 100644
--- a/test/config/config.test.ts
+++ b/test/config/config.test.ts
@@ -1,3 +1,19 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 import { Config } from '../../src';
 import { readFileSync } from 'fs';
 
diff --git a/test/conformance.test.ts b/test/conformance.test.ts
index e5b19a35..5364f3a4 100644
--- a/test/conformance.test.ts
+++ b/test/conformance.test.ts
@@ -1,16 +1,19 @@
-// Copyright 2026 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { readdirSync, readFileSync } from 'fs';
 import * as path from 'path';
diff --git a/test/enforcer.test.ts b/test/enforcer.test.ts
index 71af7631..24e40881 100644
--- a/test/enforcer.test.ts
+++ b/test/enforcer.test.ts
@@ -1,16 +1,19 @@
-// Copyright 2018 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import fs, { readFileSync } from 'fs';
 
diff --git a/test/frontend.test.ts b/test/frontend.test.ts
index 315061f4..ae2e9922 100644
--- a/test/frontend.test.ts
+++ b/test/frontend.test.ts
@@ -1,16 +1,19 @@
-// Copyright 2020 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { readFileSync } from 'fs';
 import { newEnforcer } from '../src';
diff --git a/test/managementAPI.test.ts b/test/managementAPI.test.ts
index 056691ba..c25577d8 100644
--- a/test/managementAPI.test.ts
+++ b/test/managementAPI.test.ts
@@ -1,16 +1,19 @@
-// Copyright 2019 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { newEnforcer, Enforcer, Util } from '../src';
 import { FileAdapter } from '../src';
diff --git a/test/managementAPI_self.test.ts b/test/managementAPI_self.test.ts
index 736440f6..b434d2e8 100644
--- a/test/managementAPI_self.test.ts
+++ b/test/managementAPI_self.test.ts
@@ -1,3 +1,19 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 import { newEnforcer, Enforcer } from '../src';
 
 interface SpyAdapter {
diff --git a/test/model.test.ts b/test/model.test.ts
index a847fb21..6707d1fa 100644
--- a/test/model.test.ts
+++ b/test/model.test.ts
@@ -1,16 +1,19 @@
-// Copyright 2018 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 // noinspection JSMismatchedCollectionQueryUpdate
 
 import { DefaultRoleManager, Enforcer, newEnforcer, newModel, StringAdapter } from '../src';
diff --git a/test/model/model.test.ts b/test/model/model.test.ts
index afa6eaf8..094f3b2e 100644
--- a/test/model/model.test.ts
+++ b/test/model/model.test.ts
@@ -1,3 +1,19 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 import { ConfigInterface, newModel, newModelFromFile, newModelFromString, requiredSections, sectionNameMap } from '../../src';
 import { readFileSync } from 'fs';
 
diff --git a/test/multiplePolicyDefinitions.test.ts b/test/multiplePolicyDefinitions.test.ts
index b7b1a7e9..47e0464e 100644
--- a/test/multiplePolicyDefinitions.test.ts
+++ b/test/multiplePolicyDefinitions.test.ts
@@ -1,16 +1,19 @@
-// Copyright 2018 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { newEnforcer, newEnforceContext } from '../src';
 
diff --git a/test/persist/fileSystem.test.ts b/test/persist/fileSystem.test.ts
index 27473243..506e1d88 100644
--- a/test/persist/fileSystem.test.ts
+++ b/test/persist/fileSystem.test.ts
@@ -1,16 +1,19 @@
-// Copyright 2023 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { FileSystem, getDefaultFileSystem, setDefaultFileSystem } from '../../src';
 
diff --git a/test/persist/helper.test.ts b/test/persist/helper.test.ts
index cfacaa14..1d2fece6 100644
--- a/test/persist/helper.test.ts
+++ b/test/persist/helper.test.ts
@@ -1,16 +1,19 @@
-// Copyright 2021 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { Helper, newModel } from '../../src';
 
diff --git a/test/rbac/defaultRoleManager.test.ts b/test/rbac/defaultRoleManager.test.ts
index 2671df8c..fb6bf89f 100644
--- a/test/rbac/defaultRoleManager.test.ts
+++ b/test/rbac/defaultRoleManager.test.ts
@@ -1,3 +1,19 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 import { DefaultRoleManager } from '../../src';
 import { keyMatch2Func } from '../../src/util';
 
diff --git a/test/rbacAPI.test.ts b/test/rbacAPI.test.ts
index 69c71467..338da871 100644
--- a/test/rbacAPI.test.ts
+++ b/test/rbacAPI.test.ts
@@ -1,16 +1,19 @@
-// Copyright 2019 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { newEnforcer } from '../src';
 import { keyMatchFunc } from '../src/util';
diff --git a/test/rbacHierarchicalDomain.test.ts b/test/rbacHierarchicalDomain.test.ts
index 1de5ceb9..b81d042e 100644
--- a/test/rbacHierarchicalDomain.test.ts
+++ b/test/rbacHierarchicalDomain.test.ts
@@ -1,3 +1,19 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 import { DefaultRoleManager, newSyncedEnforcer, RoleManager, SyncedEnforcer } from '../src';
 
 describe('Test Hierarchical Domain RBAC', () => {
diff --git a/test/rbacwDomainAPI.test.ts b/test/rbacwDomainAPI.test.ts
index ea29bd81..1ef4ea0e 100644
--- a/test/rbacwDomainAPI.test.ts
+++ b/test/rbacwDomainAPI.test.ts
@@ -1,16 +1,19 @@
-// Copyright 2019 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { newEnforcer } from '../src';
 
diff --git a/test/syncedEnforcer.test.ts b/test/syncedEnforcer.test.ts
index 0c27fdcf..4f8416b2 100644
--- a/test/syncedEnforcer.test.ts
+++ b/test/syncedEnforcer.test.ts
@@ -1,3 +1,19 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 import { newModel, newSyncedEnforcer } from '../src';
 
 test('TestGFunctionInSyncedEnforcerWithRoles', async () => {
diff --git a/test/util.test.ts b/test/util.test.ts
index bce2f09a..c31c6cee 100644
--- a/test/util.test.ts
+++ b/test/util.test.ts
@@ -1,16 +1,19 @@
-// Copyright 2018 The Casbin Authors. All Rights Reserved.
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+//   https://www.apache.org/licenses/LICENSE-2.0
 //
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 
 import { getLogger, logPrint, Util as util } from '../src';
 import { ip } from '../src/util/ip';
diff --git a/tsconfig.cjs.json b/tsconfig.cjs.json
index 55d0a60d..839baad0 100644
--- a/tsconfig.cjs.json
+++ b/tsconfig.cjs.json
@@ -1,3 +1,19 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 {
   "extends": "./tsconfig",
   "compilerOptions": {
diff --git a/tsconfig.esm.json b/tsconfig.esm.json
index 1ce8fca4..3e64e5cc 100644
--- a/tsconfig.esm.json
+++ b/tsconfig.esm.json
@@ -1,3 +1,19 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 {
   "extends": "./tsconfig",
   "compilerOptions": {
diff --git a/tsconfig.json b/tsconfig.json
index 358d51cc..f71f2fec 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,3 +1,19 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
 {
   "compilerOptions": {
     "target": "ES6",