nl_tokens: Set a callback for when caching is activated for a path .
pl_tokens: function ( cb ) { var i ; log ( '[Caching] Setting activate handler' , cb , this . pendingActivations ) ; this . activateHandler = cb ; for ( i = 0 ; i < this . pendingActivations . length ; i ++ ) { cb ( this . pendingActivations [ i ] ) ; } <mask> this . pendingActivations ; }