src/vs/workbench/contrib/codeEditor/browser/accessibility/accessibility.ts/ShowAccessibilityHelpAction/run
class ShowAccessibilityHelpAction:	async run(accessor: ServicesAccessor): Promise<void> {
		const commandService = accessor.get(ICommandService);
		const editorService = accessor.get(ICodeEditorService);
		let activeEditor = editorService.getActiveCodeEditor();
		if (!activeEditor) {
			await commandService.executeCommand(NEW_UNTITLED_FILE_COMMAND_ID);
		}
		activeEditor = editorService.getActiveCodeEditor();

		if (activeEditor) {
			const controller = AccessibilityHelpController.get(activeEditor);
			if (controller) {
				controller.show();
			}
		}
	}