code: @Override
      public java.util.concurrent.Future<DescribeCacheSecurityGroupsResult> describeCacheSecurityGroupsAsync(
              com.amazonaws.handlers.AsyncHandler<DescribeCacheSecurityGroupsRequest, DescribeCacheSecurityGroupsResult> asyncHandler) {
  
          return describeCacheSecurityGroupsAsync(new DescribeCacheSecurityGroupsRequest(), asyncHandler);
      }
docs: Simplified method form for invoking the DescribeCacheSecurityGroups operation with an AsyncHandler.
  
  @see #describeCacheSecurityGroupsAsync(DescribeCacheSecurityGroupsRequest, com.amazonaws.handlers.AsyncHandler)