code: @BetaApi
    public final Operation simulateMaintenanceEventInstance(ProjectZoneInstanceName instance) {
  
      SimulateMaintenanceEventInstanceHttpRequest request =
          SimulateMaintenanceEventInstanceHttpRequest.newBuilder()
              .setInstance(instance == null ? null : instance.toString())
              .build();
      return simulateMaintenanceEventInstance(request);
    }
docs: Simulates a maintenance event on the instance.
  
  <p>Sample code:
  
  <pre><code>
  try (InstanceClient instanceClient = InstanceClient.create()) {
  ProjectZoneInstanceName instance = ProjectZoneInstanceName.of("[PROJECT]", "[ZONE]", "[INSTANCE]");
  Operation response = instanceClient.simulateMaintenanceEventInstance(instance);
  }
  </code></pre>
  
  @param instance Name of the instance scoping this request.
  @throws com.google.api.gax.rpc.ApiException if the remote call fails