src/vs/workbench/contrib/mergeEditor/browser/view/mergeEditor.ts/MergeEditor/applyOptions
class MergeEditor:	private applyOptions(options: ICodeEditorOptions): void {
		const inputOptions: ICodeEditorOptions = deepMerge<ICodeEditorOptions>(options, {
			minimap: { enabled: false },
			glyphMargin: false,
			lineNumbersMinChars: 2,
			readOnly: !this.inputsWritable
		});

		this.input1View.updateOptions(inputOptions);
		this.input2View.updateOptions(inputOptions);
		this.baseViewOptions.set(this.input2View.editor.getRawOptions(), undefined);
		this.inputResultView.updateOptions(options);
	}