src/vs/editor/common/model/bracketPairsTextModelPart/bracketPairsTree/beforeEditPositionMapper.ts/BeforeEditPositionMapper/constructor
class BeforeEditPositionMapper:	constructor(
		edits: readonly TextEditInfo[],
		private readonly documentLength: Length,
	) {
		this.edits = edits.map(edit => TextEditInfoCache.from(edit));
	}