src/vs/workbench/contrib/list/browser/list.contribution.ts/ListContext/constructor
class ListContext:	constructor(
		@IContextKeyService contextKeyService: IContextKeyService
	) {
		contextKeyService.createKey<boolean>('listSupportsTypeNavigation', true);

		// @deprecated in favor of listSupportsTypeNavigation
		contextKeyService.createKey('listSupportsKeyboardNavigation', true);
	}