src/vs/workbench/contrib/codeEditor/browser/accessibility/accessibility.ts/AccessibilityHelpWidget/_descriptionForCommand
class AccessibilityHelpWidget:	private _descriptionForCommand(commandId: string, msg: string, noKbMsg: string): string {
		let kb = this._keybindingService.lookupKeybinding(commandId);
		if (kb) {
			return strings.format(msg, kb.getAriaLabel());
		}
		return strings.format(noKbMsg, commandId);
	}