import type { AppendOptions } from '../eventSequences/AppendOptions.js';
import type { AppendResult } from '../eventSequences/AppendResult.js';
import type { EventScenario } from './EventScenario.js';
/** A single act-phase append; the plural form is reserved for atomic batches. */
export declare class EventScenarioWhen {
    private readonly _scenario;
    private readonly _id;
    private readonly _options?;
    constructor(_scenario: EventScenario, _id: string, _options?: AppendOptions | undefined);
    event(event: object): Promise<AppendResult>;
    events(...events: object[]): Promise<readonly AppendResult[]>;
}
//# sourceMappingURL=EventScenarioWhen.d.ts.map