src/vs/editor/common/viewModel/viewModelLines.ts/ViewModelLinesFromProjectedModel/getModelStartPositionOfViewLine
class ViewModelLinesFromProjectedModel:	private getModelStartPositionOfViewLine(viewLineInfo: ViewLineInfo): Position {
		const line = this.modelLineProjections[viewLineInfo.modelLineNumber - 1];
		const minViewColumn = line.getViewLineMinColumn(
			this.model,
			viewLineInfo.modelLineNumber,
			viewLineInfo.modelLineWrappedLineIdx
		);
		const column = line.getModelColumnOfViewPosition(
			viewLineInfo.modelLineWrappedLineIdx,
			minViewColumn
		);
		return new Position(viewLineInfo.modelLineNumber, column);
	}