selection.getCursorPosition().getLineNumber(), selection.getCursorPosition().getColumn());
cursorTransformer.transform(bridgeDocOp);
PositionTransformer baseTransformer = new PositionTransformer(
selection.getBasePosition().getLineNumber(), selection.getBasePosition().getColumn());
baseTransformer.transform(bridgeDocOp);
FilePositionImpl basePosition = FilePositionImpl.make().setLineNumber(
baseTransformer.getLineNumber()).setColumn(baseTransformer.getColumn());
FilePositionImpl cursorPosition = FilePositionImpl.make().setLineNumber(
cursorTransformer.getLineNumber()).setColumn(cursorTransformer.getColumn());