FirestoreSwift: Make DocumentID setter internal #10304
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This is an alternative to the warning-only approach proposed in the latest
DocumentID
API review.Made the
@DocumentID
property wrapper's value setter internal.DocumentID
is currently read-only and is only populated when reading from Firestore. This PR limits access to the setter since the value is ignored when writing to Firestore.Updated the constructor to always set
nil
, regardless of thewrappedValue
provided. Developers are notified of this via an existing log message warning them that the value is ignored.Added conformance tests to verify (and demonstrate) the functionality change.