nl_tokens: Borrow another class members to the prototype of this class .
pl_tokens: function ( fromClass , members ) { //<debug> Ext . classSystemMonitor && Ext . classSystemMonitor ( this , 'Ext.Base#borrow' , arguments ) ; //</debug> var prototype = this . prototype , fromPrototype = fromClass . prototype , //<debug> className = Ext . getClassName ( this ) , //</debug> i , ln , name , fn , toBorrow ; members = Ext . Array . from ( members ) ; for ( i = 0 , ln = members . length ; i < ln ; i ++ ) { name = members [ i ] ; toBorrow = fromPrototype [ name ] ; if ( typeof toBorrow == 'function' ) { fn = Ext . Function . <mask> ( toBorrow ) ; //<debug> if ( className ) { fn . displayName = className + '#' + name ; } //</debug> fn . $owner = this ; fn . $name = name ; prototype [ name ] = fn ; } else { prototype [ name ] = toBorrow ; } } return this ; }