src/vs/workbench/contrib/codeEditor/browser/accessibility/accessibility.ts/AccessibilityHelpController/constructor
class AccessibilityHelpController:	constructor(
		editor: ICodeEditor,
		@IInstantiationService instantiationService: IInstantiationService
	) {
		super();

		this._editor = editor;
		this._widget = this._register(instantiationService.createInstance(AccessibilityHelpWidget, this._editor));
	}