src/vs/editor/contrib/multicursor/multicursor.ts/MultiCursorSelectionController/_expandEmptyToWord
class MultiCursorSelectionController:	private _expandEmptyToWord(model: ITextModel, selection: Selection): Selection {
		if (!selection.isEmpty()) {
			return selection;
		}
		const word = this._editor.getConfiguredWordAtPosition(selection.getStartPosition());
		if (!word) {
			return selection;
		}
		return new Selection(selection.startLineNumber, word.startColumn, selection.startLineNumber, word.endColumn);
	}