/**
 * Shared fixtures for `wrap-legacy-store` unit tests. The 4 sister test
 * files (sender-key / session / lid-mapping / coverage) all need the same
 * in-memory keys store + wrapped-store factory + byte-pattern generator.
 */
/** Heterogeneous values held by the in-memory keys store. The bridge writes
 *  raw `Buffer`s for Signal records, plain JS objects for sessions, and
 *  strings for lid_mapping — `unknown` keeps each test honest about which. */
export type MemKeysValue = Buffer | string | object | null;
/** In-memory keys store mirroring upstream `useMultiFileAuthState`'s
 *  `keys.get(type, ids[])` / `keys.set({ [type]: { [id]: value } })`. */
export declare function makeMemKeys(): {
    raw: Record<string, Record<string, MemKeysValue>>;
    get(type: string, ids: string[]): Promise<Record<string, MemKeysValue>>;
    set(updates: Record<string, Record<string, MemKeysValue>>): Promise<void>;
};
/** Build a wrap-legacy-store wired to a fresh in-memory keys backend.
 *  The double-cast through `unknown` is intentional: the test's keys
 *  callback is heterogeneous (`MemKeysValue`) by design, but
 *  `AuthenticationState['keys']` is the strongly-typed `SignalKeyStore`
 *  union — they overlap structurally without sharing a parameterised type. */
export declare function makeWrapped(): Promise<{
    wrapped: import("../wrap-legacy-store.js").WrappedLegacyStore;
    keys: {
        raw: Record<string, Record<string, MemKeysValue>>;
        get(type: string, ids: string[]): Promise<Record<string, MemKeysValue>>;
        set(updates: Record<string, Record<string, MemKeysValue>>): Promise<void>;
    };
    creds: import("../../index.js").AuthenticationCreds;
}>;
/** Deterministic byte-pattern generator. Distinct `(n, base)` pairs yield
 *  distinct buffers, so we can pinpoint which field round-tripped wrong. */
export declare const fill: (n: number, base: number) => Uint8Array<ArrayBuffer>;
export declare const SAMPLE_GROUP = "120363012345678900@g.us";
export declare const BRIDGE_SK_KEY_LID = "120363012345678900@g.us:100000037037034@lid.0";
export declare const UPSTREAM_SK_KEY_LID = "120363012345678900@g.us::100000037037034_1::0";
export declare const BRIDGE_SK_KEY_PN_DEV = "120363012345678900@g.us:559980000003:5@s.whatsapp.net.0";
export declare const UPSTREAM_SK_KEY_PN_DEV = "120363012345678900@g.us::559980000003::5";
export declare const BRIDGE_SESSION_KEY_LID = "100000037037034@lid.0";
export declare const UPSTREAM_SESSION_KEY_LID = "100000037037034_1.0";
export declare const BRIDGE_SESSION_KEY_PN = "559980000003@s.whatsapp.net.0";
export declare const UPSTREAM_SESSION_KEY_PN = "559980000003.0";
export declare const BRIDGE_SESSION_KEY_PN_DEV = "559980000003:5@s.whatsapp.net.0";
export declare const UPSTREAM_SESSION_KEY_PN_DEV = "559980000003.5";
export interface BuildSenderKeyOpts {
    keyId?: number;
    iteration?: number;
    chainSeed?: Uint8Array;
    signingPublic?: Uint8Array;
    signingPrivate?: Uint8Array;
}
/** Encode a `SenderKeyRecordStructure` with one populated state. */
export declare function buildBridgeSenderKeyBytes(opts?: BuildSenderKeyOpts): Uint8Array;
export interface BuildSessionOpts {
    rootKey?: Uint8Array;
    rootSeed?: number;
    previousCounter?: number;
    senderRatchetPub?: Uint8Array;
    senderRatchetPriv?: Uint8Array;
    senderChainKey?: Uint8Array;
    senderChainIndex?: number;
    receiverRatchetPub?: Uint8Array;
    receiverChainKey?: Uint8Array;
    receiverChainIndex?: number;
    aliceBaseKey?: Uint8Array;
    remoteIdentity?: Uint8Array;
    remoteRegistrationId?: number;
    localRegistrationId?: number;
}
/** Encode a `RecordStructure` with a single established `currentSession`
 *  (sender chain + one receiver chain). */
export declare function buildBridgeSessionBytes(opts?: BuildSessionOpts): Uint8Array;
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