src/vs/workbench/contrib/mergeEditor/browser/model/mapping.ts/MappingAlignment/constructor
class MappingAlignment:	constructor(
		public readonly baseRange: LineRange,
		public readonly input1Range: LineRange,
		public readonly input1LineMappings: T[],
		public readonly input2Range: LineRange,
		public readonly input2LineMappings: T[],
	) {
	}