google-cloud-policy-troubleshooter overview (1.4.0)

 // 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 (IamCheckerClient iamCheckerClient = IamCheckerClient.create()) {
   TroubleshootIamPolicyRequest request =
       TroubleshootIamPolicyRequest.newBuilder()
           .setAccessTuple(Explanations.AccessTuple.newBuilder().build())
           .build();
   TroubleshootIamPolicyResponse response = iamCheckerClient.troubleshootIamPolicy(request);
 }