src/vs/editor/common/model/pieceTreeTextBuffer/pieceTreeBase.ts/LineStarts/constructor
class LineStarts:	constructor(
		public readonly lineStarts: Uint32Array | Uint16Array | number[],
		public readonly cr: number,
		public readonly lf: number,
		public readonly crlf: number,
		public readonly isBasicASCII: boolean
	) { }