src/vs/workbench/contrib/mergeEditor/browser/model/mergeEditorModel.ts/MergeEditorModel/translateBaseRangeToResult
class MergeEditorModel:	public translateBaseRangeToResult(range: Range): Range {
		const map = new DocumentRangeMap(this.baseResultDiffs.get().flatMap(d => d.rangeMappings), 0);
		return map.projectRange(range).outputRange;
	}