_write(chunck, encoding, callback) {
		const payload = {
			dt: this._timeToWait(),
			payload: chunck.toString()
		}
		this._time = process.hrtime();
		// split to file logger ... 
		this._writeStream.write(JSON.stringify(payload) + '\n');
		// contunue ... 
		callback(null, chunck);
	}
/**
	 * write data to the file stream and forward payload to next ... stream if there is one ... 
	 * @param  {Buffer}   chunck   represent an event to store .. 
	 * @param  {string}   encoding of data passed 
	 * @param  {Function} callback called when write completes .. 
	 */
write data to the file stream and forward payload to next ... stream if there is one
@param  {Buffer}   chunck   represent an event to store
@param  {string}   encoding of data passed
@param  {Function} callback called when write completes
write data to the file stream and forward payload to next ... stream if there is one @param { Buffer } chunck represent an event to store @param { string } encoding of data passed @param { Function } callback called when write completes
_write(chunck, encoding, callback) {
		const payload = {
			dt: this._timeToWait(),
			payload: chunck.toString()
		}
		this._time = process.hrtime();
		this._writeStream.write(JSON.stringify(payload) + '\n');
		callback(null, chunck);
	}
_write ( chunck , encoding , callback ) { const payload = { dt : this . _timeToWait ( ) , payload : chunck . toString ( ) } this . _time = process . hrtime ( ) ; this . _writeStream . write ( JSON . stringify ( payload ) + '\n' ) ; callback ( null , chunck ) ; }
write data to the file stream and forward payload to next ... stream if there is one ...
 @param  {Buffer}   chunck   represent an event to store ..
 @param  {string}   encoding of data passed
 @param  {Function} callback called when write completes ..
write data to the file stream and forward payload to next ... stream if there is one ... @param { Buffer } chunck represent an event to store .. @param { string } encoding of data passed @param { Function } callback called when write completes ..
// split to file logger ...  // contunue ... 