code: @BetaApi
    public final Autoscaler getAutoscaler(ProjectZoneAutoscalerName autoscaler) {
  
      GetAutoscalerHttpRequest request =
          GetAutoscalerHttpRequest.newBuilder()
              .setAutoscaler(autoscaler == null ? null : autoscaler.toString())
              .build();
      return getAutoscaler(request);
    }
docs: Returns the specified autoscaler resource. Gets a list of available autoscalers by making a
  list() request.
  
  <p>Sample code:
  
  <pre><code>
  try (AutoscalerClient autoscalerClient = AutoscalerClient.create()) {
  ProjectZoneAutoscalerName autoscaler = ProjectZoneAutoscalerName.of("[PROJECT]", "[ZONE]", "[AUTOSCALER]");
  Autoscaler response = autoscalerClient.getAutoscaler(autoscaler);
  }
  </code></pre>
  
  @param autoscaler Name of the autoscaler to return.
  @throws com.google.api.gax.rpc.ApiException if the remote call fails