public com.google.longrunning.Operation updateSubnet(
        com.google.cloud.vmwareengine.v1.UpdateSubnetRequest request) {
      return io.grpc.stub.ClientCalls.blockingUnaryCall(
          getChannel(), getUpdateSubnetMethod(), getCallOptions(), request);
    }
<pre>
Updates the parameters of a single subnet. Only fields specified in
`update_mask` are applied.
*Note*: This API is synchronous and always returns a successful
`google.longrunning.Operation` (LRO). The returned LRO will only have
`done` and `response` fields.
</pre>
java-vmwareengine/grpc-google-cloud-vmwareengine-v1/src/main/java/com/google/cloud/vmwareengine/v1/VmwareEngineGrpc.java