import GlitchedWriter from './index';
import { Callback } from './types';
export default class {
    writer: GlitchedWriter;
    onStepCallback?: Callback;
    onFinishCallback?: Callback;
    constructor(writer: GlitchedWriter, onStepCallback?: Callback, onFinishCallback?: Callback);
    call(eventType: 'step' | 'finish'): void;
    private emitEvent;
}