nl_tokens: Destroy the child views that this collection view is holding on to if any
pl_tokens: function ( options ) { var destroyOptions = options || { } ; var shouldCheckEmpty = true ; var childViews = this . children . map ( _ . identity ) ; if ( ! _ . isUndefined ( destroyOptions . checkEmpty ) ) { shouldCheckEmpty = destroyOptions . checkEmpty ; } this . <mask> . each ( this . removeChildView , this ) ; if ( shouldCheckEmpty ) { this . checkEmpty ( ) ; } return childViews ; }