feat(quotations): describe how a union is written - #63

Nullness warning: Possible dereference of a null value when accessing member 'ConsistencyLevel' on a nullable expression of type 'ItemRequestOptions | null'.

Nullness warning: Possible dereference of a null value when accessing member 'SessionToken' on a nullable expression of type 'ItemRequestOptions | null'.

Nullness warning: Possible dereference of a null value when accessing member 'SessionToken' on a nullable expression of type 'ItemRequestOptions | null'.

Nullness warning: Possible dereference of a null value when accessing member 'IfNoneMatchEtag' on a nullable expression of type 'RequestOptions | null'.

Nullness warning: Possible dereference of a null value when accessing member 'IfNoneMatchEtag' on a nullable expression of type 'RequestOptions | null'.

Nullness warning: A non-nullable 'string' was expected but this expression is nullable. Consider either changing the target to also be nullable, or use pattern matching to safely handle the null case of this expression.

Nullness warning: A non-nullable 'string' was expected but this expression is nullable. Consider either changing the target to also be nullable, or use pattern matching to safely handle the null case of this expression.

Nullness warning: A non-nullable 'string' was expected but this expression is nullable. Consider either changing the target to also be nullable, or use pattern matching to safely handle the null case of this expression.

Nullness warning: A non-nullable 'string' was expected but this expression is nullable. Consider either changing the target to also be nullable, or use pattern matching to safely handle the null case of this expression.