/** Immutable issued-QUID state for one exact LiveMap owner epoch. */
export type LiveMapIssuedQuidLedger = Readonly<{
    size: number;
    has: (quid: string) => boolean;
}>;
export type LiveMapIdentityEpochController = Readonly<{
    owner: object;
    current: () => number;
    issued: () => LiveMapIssuedQuidLedger;
    install: (ledger: LiveMapIssuedQuidLedger) => void;
    replace: (activeQuids: Iterable<string>) => void;
}>;
export type LiveMapIdentityEpochAccounting = Readonly<{
    epoch: number;
    issued: number;
}>;
export declare class LiveMapIdentityEpochError extends Error {
    readonly code: "SAME_EPOCH_QUID_REUSE" | "IDENTITY_EPOCH_INVARIANT";
    constructor(code: "SAME_EPOCH_QUID_REUSE" | "IDENTITY_EPOCH_INVARIANT", message: string);
}
/** Seed a newly created owner epoch from its already validated active claims. */
export declare function make_livemap_identity_epoch(activeQuids: Iterable<string>): LiveMapIdentityEpochController;
/** Build one immutable ledger without retaining graph nodes or handles. */
export declare function make_livemap_issued_quid_ledger(quids: Iterable<string>): LiveMapIssuedQuidLedger;
/**
 * Stage ordinary same-epoch identity state.
 *
 * An already-issued QUID may remain active or move while it is active. Once it
 * leaves the active set, reintroduction is reuse and rejects. New claims extend
 * the immutable ledger; retirement never removes from it.
 */
export declare function stage_livemap_identity_epoch(current: LiveMapIssuedQuidLedger, beforeActiveQuids: Iterable<string>, afterActiveQuids: Iterable<string>): LiveMapIssuedQuidLedger;
/** Exact same-epoch restore retains the monotonic ledger and restores only issued claims. */
export declare function retain_livemap_identity_epoch(current: LiveMapIssuedQuidLedger, restoredActiveQuids: Iterable<string>): LiveMapIssuedQuidLedger;
/** Attach internal accounting to a public owner without widening its API. */
export declare function register_livemap_identity_epoch_owner(owner: object, controller: LiveMapIdentityEpochController): void;
/** Narrow deterministic accounting for authoritative Unit 12P tests. */
export declare function livemap_identity_epoch_accounting(owner: object): LiveMapIdentityEpochAccounting;
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