nl_tokens: Creates a copy of a cache entry and returns it . Protects the original cache entry from modification except for the _pluginData property which remains writable and can be accessed from the copy .
pl_tokens: function _copyCacheEntry ( cacheEntry ) { var copy = _ . <mask> ( cacheEntry ) ; if ( _ . isObject ( copy . attributes ) ) copy . attributes = _ . clone ( copy . attributes ) ; return copy ; }