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Diffstat (limited to 'csharp/src/Google.Protobuf/WellKnownTypes/FieldMask.cs')
-rw-r--r--csharp/src/Google.Protobuf/WellKnownTypes/FieldMask.cs6
1 files changed, 6 insertions, 0 deletions
diff --git a/csharp/src/Google.Protobuf/WellKnownTypes/FieldMask.cs b/csharp/src/Google.Protobuf/WellKnownTypes/FieldMask.cs
index ef3bc10a..ee4561ff 100644
--- a/csharp/src/Google.Protobuf/WellKnownTypes/FieldMask.cs
+++ b/csharp/src/Google.Protobuf/WellKnownTypes/FieldMask.cs
@@ -239,6 +239,12 @@ namespace Google.Protobuf.WellKnownTypes {
///
/// Note that oneof type names ("test_oneof" in this case) cannot be used in
/// paths.
+ ///
+ /// ## Field Mask Verification
+ ///
+ /// The implementation of the all the API methods, which have any FieldMask type
+ /// field in the request, should verify the included field paths, and return
+ /// `INVALID_ARGUMENT` error if any path is duplicated or unmappable.
/// </summary>
public sealed partial class FieldMask : pb::IMessage<FieldMask> {
private static readonly pb::MessageParser<FieldMask> _parser = new pb::MessageParser<FieldMask>(() => new FieldMask());