code: @BetaApi
    public final Operation removeInstanceTargetPool(
        String targetPool,
        TargetPoolsRemoveInstanceRequest targetPoolsRemoveInstanceRequestResource) {
  
      RemoveInstanceTargetPoolHttpRequest request =
          RemoveInstanceTargetPoolHttpRequest.newBuilder()
              .setTargetPool(targetPool)
              .setTargetPoolsRemoveInstanceRequestResource(targetPoolsRemoveInstanceRequestResource)
              .build();
      return removeInstanceTargetPool(request);
    }
docs: Removes instance URL from a target pool.
  
  <p>Sample code:
  
  <pre><code>
  try (TargetPoolClient targetPoolClient = TargetPoolClient.create()) {
  ProjectRegionTargetPoolName targetPool = ProjectRegionTargetPoolName.of("[PROJECT]", "[REGION]", "[TARGET_POOL]");
  TargetPoolsRemoveInstanceRequest targetPoolsRemoveInstanceRequestResource = TargetPoolsRemoveInstanceRequest.newBuilder().build();
  Operation response = targetPoolClient.removeInstanceTargetPool(targetPool.toString(), targetPoolsRemoveInstanceRequestResource);
  }
  </code></pre>
  
  @param targetPool Name of the TargetPool resource to remove instances from.
  @param targetPoolsRemoveInstanceRequestResource
  @throws com.google.api.gax.rpc.ApiException if the remote call fails