code: @Override
      public DeletePermissionResult deletePermission(DeletePermissionRequest request) {
          request = beforeClientExecution(request);
          return executeDeletePermission(request);
      }
docs: <p>
  Revokes permissions that a private CA assigned to a designated AWS service. Permissions can be created with the
  <a>CreatePermission</a> operation and listed with the <a>ListPermissions</a> operation.
  </p>
  
  @param deletePermissionRequest
  @return Result of the DeletePermission operation returned by the service.
  @throws ResourceNotFoundException
  A resource such as a private CA, S3 bucket, certificate, or audit report cannot be found.
  @throws InvalidArnException
  The requested Amazon Resource Name (ARN) does not refer to an existing resource.
  @throws InvalidStateException
  The private CA is in a state during which a report or certificate cannot be generated.
  @throws RequestFailedException
  The request has failed for an unspecified reason.
  @sample AWSACMPCA.DeletePermission
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/acm-pca-2017-08-22/DeletePermission" target="_top">AWS API
  Documentation</a>