t", "lineboundary");         CaretBrowsing.finishMove();     };      funcs.moveToStartOfNextBlock = (count = 0) => {         CaretBrowsing.moveToBlock("forward", "backward", count);         CaretBrowsing.finishMove();     };      funcs.moveToStartOfPrevBlock = (count = 0) => {         CaretBrowsing.moveToBlock("backward", "backward", count);         CaretBrowsing.finishMove();     };      funcs.moveToEndOfNextBlock = (count = 0) => {         CaretBrowsing.moveToBlock("forward", "forward", count);         CaretBrowsing.finishMove();     };      funcs.moveToEndOfPrevBlock = (count = 0) => {         CaretBrowsing.moveToBlock("backward", "forward", count);         CaretBrowsing.finishMove();     };      funcs.moveToStartOf