src/vs/workbench/contrib/mergeEditor/browser/view/viewModel.ts/MergeEditorViewModel/getRangeOfModifiedBaseRange
class MergeEditorViewModel:	private getRangeOfModifiedBaseRange(editor: CodeEditorView, modifiedBaseRange: ModifiedBaseRange, reader: IReader | undefined): LineRange {
		if (editor === this.resultCodeEditorView) {
			return this.model.getLineRangeInResult(modifiedBaseRange.baseRange, reader);
		} else if (editor === this.baseCodeEditorView.get()) {
			return modifiedBaseRange.baseRange;
		} else {
			const input = editor === this.inputCodeEditorView1 ? 1 : 2;
			return modifiedBaseRange.getInputRange(input);
		}
	}