InputStream function ( ) { return null ; }
get an inputstream from the message payload . overridden method concode_field_sep String method concode_elem_sep String requestUrl concode_elem_sep Map<String,String> headers concode_elem_sep String contentType concode_field_sep String getRequestUrl concode_elem_sep void setMethod concode_elem_sep Map<String,String> getAllHeaders concode_elem_sep void setRequestUrl concode_elem_sep String getContentType concode_elem_sep String getMethod concode_elem_sep void setContentType concode_elem_sep void setHeader concode_elem_sep String getHeader concode_elem_sep Object unwrap