code: @Override
      public ListImportsResult listImports(ListImportsRequest request) {
          request = beforeClientExecution(request);
          return executeListImports(request);
      }
docs: <p>
  Lists all stacks that are importing an exported output value. To modify or remove an exported output value, first
  use this action to see which stacks are using it. To see the exported output values in your account, see
  <a>ListExports</a>.
  </p>
  <p>
  For more information about importing an exported output value, see the <a href=
  "https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/intrinsic-function-reference-importvalue.html">
  <code>Fn::ImportValue</code> </a> function.
  </p>
  
  @param listImportsRequest
  @return Result of the ListImports operation returned by the service.
  @sample AmazonCloudFormation.ListImports
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/cloudformation-2010-05-15/ListImports" target="_top">AWS API
  Documentation</a>