src/vs/base/common/diff/diff.ts/LcsDiff/ModifiedElementsAreEqual
class LcsDiff:	private ModifiedElementsAreEqual(index1: number, index2: number): boolean {
		if (this._modifiedElementsOrHash[index1] !== this._modifiedElementsOrHash[index2]) {
			return false;
		}
		return (this._hasStrings ? this._modifiedStringElements[index1] === this._modifiedStringElements[index2] : true);
	}