export type PublicKey = Uint8Array;
export interface UserStorageOptions {
    id?: Uint8Array | string;
}
export declare class UserStorage<V> {
    private readonly mapId;
    constructor(options?: UserStorageOptions);
    static fromId<V>(id: Uint8Array | string): UserStorage<V>;
    id(): string;
    idBytes(): Uint8Array;
    insert(value: V): V | null;
    get(): V | null;
    getForUser(userKey: PublicKey): V | null;
    containsCurrentUser(): boolean;
    containsUser(userKey: PublicKey): boolean;
    setForUser(userKey: PublicKey, value: V): V | null;
    remove(): V | null;
    entries(): Array<[PublicKey, V]>;
    keys(): PublicKey[];
    values(): V[];
    size(): number;
    toJSON(): Record<string, unknown>;
    private setInternal;
}
//# sourceMappingURL=UserStorage.d.ts.map