build/gpf-debug.js
function (output, chunk) {
                var me = this, stream = me._stream;
                stream.pause();
                output.write(chunk).then(function () {
                    stream.resume();
                }, me._reject);
            }
function (output, chunk) {
                var me = this, stream = me._stream;
                stream.pause();
                output.write(chunk).then(function () {
                    stream.resume();
                }, me._reject);
            }
function ( output , chunk ) { var me = this , stream = me . _stream ; stream . pause ( ) ; output . write ( chunk ) . then ( function ( ) { stream . resume ( ) ; } , me . _reject ) ; }
endregion 
Stream 'data' event handler

@param {gpf.interfaces.IWritableStream} output Output stream
@param {Object} chunk Buffer
@since 0.1.9
endregion Stream data event handler