import { z } from 'zod';
import type { FleetEventEnvelope } from '../fleet-event-feed.ts';
import type { ParameterizedAccessHint } from '../operation-catalog/types.ts';
import type { EventEnvelope } from '../workflow-event-feed.ts';
export declare const fleetEventEnvelopeSchema: z.ZodType<FleetEventEnvelope>;
export declare const workflowEventEnvelopeSchema: z.ZodType<EventEnvelope>;
export declare const workflowEventParameterizedAccess: ParameterizedAccessHint;
export type ClosableAsyncIterable<T> = AsyncIterable<T> & {
    close(): Promise<void>;
};
export type ReplayAwareClosableIterable<T> = ClosableAsyncIterable<T> & {
    readonly replayComplete: Promise<void>;
};
type ReplayAwareClosableIterableOptions = {
    readonly close: () => void | Promise<void>;
};
export declare function createReplayAwareClosableIterable<T>(createSource: (onReplayComplete: () => void) => AsyncIterable<T>, options: ReplayAwareClosableIterableOptions): ReplayAwareClosableIterable<T>;
export declare function isClosableAsyncIterable<T>(value: unknown): value is ClosableAsyncIterable<T>;
export declare function isReplayAwareClosableIterable<T>(value: unknown): value is ReplayAwareClosableIterable<T>;
export {};