src/vs/editor/common/model/bracketPairsTextModelPart/bracketPairsTree/length.ts/LengthObj/compare
class LengthObj:	public compare(other: LengthObj): number {
		if (this.lineCount !== other.lineCount) {
			return this.lineCount - other.lineCount;
		}
		return this.columnCount - other.columnCount;
	}