nl_tokens: Registers dependencies that can be provided to the function
pl_tokens: function ( provides ) { if ( _ . isArray ( provides ) ) { this . _arguments = this . _provides = ( ! this . _provides ) ? provides : this . _provides . concat ( provides ) ; } else { this . _provides = _ . extend ( { } , this . _provides , provides ) ; this . _arguments = _ . map ( this . deps , function ( <mask> ) { return this . _provides [ key ] ; } , this ) ; } return this ; }