/** Pure replay fold for side-effecting v3 host attempts. */
import type { StoredEvent } from './journal.js';
export interface V3OpenHostEffect {
    nodeId: string;
    instanceId: string;
    attemptId: string;
    executor: string;
    provider: string;
    inputRef: {
        path: string;
        sha256: string;
        bytes: number;
    };
    inputHash: string;
    idempotencyKey: string;
    idempotencyTtlMs: number;
    approvalDigest: string;
    attemptedAtMs: number;
}
export declare function openV3HostEffects(events: readonly StoredEvent[]): V3OpenHostEffect[];
export declare function hasOpenV3HostEffects(events: readonly StoredEvent[]): boolean;
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