public static MetadataArraySafeHandle Create(Metadata metadata) { using (Profilers.ForCurrentThread().NewScope("MetadataArraySafeHandle.Create")) { // TODO(jtattermusch): we might wanna check that the metadata is readonly var metadataArray = pinvoke.grpcsharp_metadata_array_create(new UIntPtr((ulong)metadata.Count)); for (int i = 0; i < metadata.Count; i++) { var valueBytes = metadata[i].GetSerializedValueUnsafe(); pinvoke.grpcsharp_metadata_array_add(metadataArray, metadata[i].Key, valueBytes, new UIntPtr((ulong)valueBytes.Length)); } return(metadataArray); } }