src/vs/editor/contrib/wordPartOperations/browser/wordPartOperations.ts/DeleteWordPartRight/_delete
class DeleteWordPartRight:	protected _delete(ctx: DeleteWordContext, wordNavigationType: WordNavigationType): Range {
		const r = WordPartOperations.deleteWordPartRight(ctx);
		if (r) {
			return r;
		}
		const lineCount = ctx.model.getLineCount();
		const maxColumn = ctx.model.getLineMaxColumn(lineCount);
		return new Range(lineCount, maxColumn, lineCount, maxColumn);
	}