import type { RunEvidence, RunReceipt } from './contract.js';
/**
 * Unsigned, non-durable, content-addressed in-memory conformance ledger.
 *
 * Exact retries converge on one receipt. Reusing an execution ID with changed
 * evidence is refused rather than rewriting history. These receipts are local
 * debugging evidence and cannot authorize enforce mode or release.
 */
export declare class InMemoryRunReceiptReference {
    private readonly now;
    readonly referenceOnly = true;
    private readonly receipts;
    private readonly executionReceipts;
    constructor(now?: () => number);
    recordRun(run: RunEvidence): RunReceipt;
    get(receiptId: string): RunReceipt | undefined;
    all(): RunReceipt[];
}
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