export { OtsError } from './codec.js';
export { deserializeDetached, fileDigest, serializeDetached } from './format.js';
export declare function stampHash(fileHash: Buffer, opts?: {
    timeoutMs?: number;
    calendars?: string[];
}): Promise<Buffer>;
export declare function upgradeProof(otsBytes: Buffer, opts?: {
    timeoutMs?: number;
}): Promise<{
    changed: boolean;
    otsBytes: Buffer;
    bitcoinBlock: number | null;
}>;
export type VerifyResult = {
    ok: boolean;
    pending: boolean;
    unknown?: boolean;
    bitcoin?: {
        height: number;
        time: number;
    };
    detail?: string;
};
export declare function verifyProof(otsBytes: Buffer, hash: Buffer, opts?: {
    timeoutMs?: number;
    checkBitcoin?: boolean;
}): Promise<VerifyResult>;
export declare function parseOtsBase64(b64: string): Buffer;
//# sourceMappingURL=client.d.ts.map