import { OutputEvent } from '../../OutputEvent';
import { ITimerRuntime } from '../../ITimerRuntime';
import { IRuntimeEvent } from '../../IRuntimeEvent';
import { Subject } from 'rxjs';
import { OutputAction } from '../OutputAction';
import { IActionButton } from '../../IActionButton';
/**
 * Action to update button array for a named anchor.
 * Supports multiple button groups for different contexts.
 */
export declare class SetButtonAction extends OutputAction {
    private target;
    private buttons;
    constructor(target: string, buttons: IActionButton[]);
    write(_runtime: ITimerRuntime, _input: Subject<IRuntimeEvent>): OutputEvent[];
}
