public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    return com.google.cloud.storagebatchoperations.v1.StorageBatchOperationsTypesProto
        .internal_static_google_cloud_storagebatchoperations_v1_PutMetadata_descriptor;
  }
<pre>
Describes options for object metadata update.
</pre>

Protobuf type {@code google.cloud.storagebatchoperations.v1.PutMetadata}
java-storagebatchoperations/proto-google-cloud-storagebatchoperations-v1/src/main/java/com/google/cloud/storagebatchoperations/v1/PutMetadata.java