def create_async_doc(doc, opts = {})
      data, _status_code, _headers = create_async_doc_with_http_info(doc, opts)
      return data
    end
def create_async_doc(doc, opts = {})
      data, _status_code, _headers = create_async_doc_with_http_info(doc, opts)
      return data
    end
Creates a document asynchronously. You must use a callback url or the the returned status id and the status api to find out when it completes. Then use the download api to get the document.
 @param doc The document to be created.
 @param [Hash] opts the optional parameters
 @return [AsyncDoc]