nl_tokens: Returns the results of interating the function on each item in an array .
pl_tokens: function map ( arr , callback ) { var wrapper = this ; if ( this . isAsync ) { async . map ( arr , function ( item , cb ) { wrapper . call ( item , cb ) ; } , callback ) ; } else { callback ( null , arr . map ( function ( item ) { return wrapper . call ( <mask> ) ; } ) ) ; } }