export interface Hlc {
    wallMs: number;
    counter: number;
}
export declare function nextHlc(prevSeen: Hlc | null): Hlc;
export declare function compareHlc(a: Hlc, b: Hlc): number;
export declare function compareHlcStamped(a: {
    hlc: Hlc;
    writerId: string;
    seq?: number;
}, b: {
    hlc: Hlc;
    writerId: string;
    seq?: number;
}): number;
export declare function serializeHlc(hlc: Hlc): string;
export declare function parseHlc(raw: string): Hlc | null;
export declare const DEFAULT_FORGED_FUTURE_HLC_TOLERANCE_MS: number;
export declare function isForgedFutureHlc(hlc: Hlc, nowMs: number, toleranceMs?: number): boolean;
export declare function getHlcPath(): string;
export declare function parseHlcYon(rawFile: string): Hlc | null;
export declare function parseSeqYon(rawFile: string): number;
export declare function loadPersistedHlc(path?: string): Hlc | null;
export declare function loadPersistedSeq(path?: string): number;
export interface StampedClock {
    hlc: Hlc;
    seq: number;
}
export interface StampNextOpts {
    observedMaxHlc?: Hlc | null;
    path?: string;
}
export declare class HlcLockUnavailableError extends Error {
    readonly errorCode = "hlc-lock-unavailable";
}
export declare function stampNext(_writerId: string, opts?: StampNextOpts): StampedClock;
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