src/vs/editor/common/viewModel/viewModelLines.ts/ViewModelLinesFromProjectedModel/getViewLineInfo
class ViewModelLinesFromProjectedModel:	private getViewLineInfo(viewLineNumber: number): ViewLineInfo {
		viewLineNumber = this._toValidViewLineNumber(viewLineNumber);
		const r = this.projectedModelLineLineCounts.getIndexOf(viewLineNumber - 1);
		const lineIndex = r.index;
		const remainder = r.remainder;
		return new ViewLineInfo(lineIndex + 1, remainder);
	}