21701     findWordBoundaryLeft: function(startFrom) {  argument
21702       var offset = 0, index = startFrom - 1;
21716       return startFrom - offset;
21724     findWordBoundaryRight: function(startFrom) {  argument
21725       var offset = 0, index = startFrom;
21739       return startFrom + offset;
21747     findLineBoundaryLeft: function(startFrom) {  argument
21748       var offset = 0, index = startFrom - 1;
21755       return startFrom - offset;
21763     findLineBoundaryRight: function(startFrom) {  argument
21764       var offset = 0, index = startFrom;
21771       return startFrom + offset;