private void deletePlatformApplication(String applicationArn) {
   DeletePlatformApplicationRequest request = new DeletePlatformApplicationRequest();
   request.setPlatformApplicationArn(applicationArn);
   snsClient.deletePlatformApplication(request);
 }
 /**
  * PlatformApplicationArn of platform application object to delete.
  *
  * @param platformApplicationArn PlatformApplicationArn of platform application object to delete.
  * @return Returns a reference to this object so that method calls can be chained together.
  */
 public DeletePlatformApplicationRequest withPlatformApplicationArn(
     String platformApplicationArn) {
   setPlatformApplicationArn(platformApplicationArn);
   return this;
 }