public final OperationFuture<Workstation, OperationMetadata> updateWorkstationAsync(
      Workstation workstation, FieldMask updateMask) {
    UpdateWorkstationRequest request =
        UpdateWorkstationRequest.newBuilder()
            .setWorkstation(workstation)
            .setUpdateMask(updateMask)
            .build();
    return updateWorkstationAsync(request);
  }
Updates an existing workstation.

<p>Sample code:

<pre>{@code
// This snippet has been automatically generated and should be regarded as a code template only.
// It will require modifications to work:
// - It may require correct/in-range values for request initialization.
// - It may require specifying regional endpoints when creating the service client as shown in
// https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
try (WorkstationsClient workstationsClient = WorkstationsClient.create()) {
  Workstation workstation = Workstation.newBuilder().build();
  FieldMask updateMask = FieldMask.newBuilder().build();
  Workstation response =
      workstationsClient.updateWorkstationAsync(workstation, updateMask).get();
}
}</pre>

@param workstation Required. Workstation to update.
@param updateMask Required. Mask specifying which fields in the workstation configuration
    should be updated.
@throws com.google.api.gax.rpc.ApiException if the remote call fails
java-workstations/google-cloud-workstations/src/main/java/com/google/cloud/workstations/v1beta/WorkstationsClient.java