nl_tokens: destroys ( retrieve and delete ) all entities matching criteria ( criteria is optional )
pl_tokens: function ( criteria , cb ) { if ( _ . isFunction ( criteria ) ) { cb = criteria ; criteria = undefined ; } this . findBy ( criteria , function ( err , entities ) { if ( err ) { return cb ( err ) ; } var deleteEntity = function ( entity , callback ) { <mask> . delete ( callback ) ; } ; async . each ( entities , deleteEntity , function ( err ) { cb ( err ) ; } ) ; } ) ; }