code: function setOptions( options ) {
  		if ( !options.hasOwnProperty( 'objectMode' ) ) {
  			options.objectMode = false;
  		}
  		if ( !options.hasOwnProperty( 'encoding' ) ) {
  			options.encoding = null;
  		}
  	}
docs: end FUNCTION copyOptions() 
  FUNCTION: setOptions( options )
  Sets stream specific options.
  
  @private
  @param {Object} options - stream options