src/vs/workbench/contrib/mergeEditor/browser/model/mapping.ts/DetailedLineRangeMapping/constructor
class DetailedLineRangeMapping:	constructor(
		inputRange: LineRange,
		public readonly inputTextModel: ITextModel,
		outputRange: LineRange,
		public readonly outputTextModel: ITextModel,
		rangeMappings?: readonly RangeMapping[],
	) {
		super(inputRange, outputRange);

		this.rangeMappings = rangeMappings || [new RangeMapping(this.inputRange.toRange(), this.outputRange.toRange())];
	}