import type { StoredUser } from "./UserTypes";
export declare class UserStore {
    private keyv;
    constructor(appsDirectory: string);
    getDefaultUsername(): Promise<string | null>;
    setDefaultUsername(username: string | null): Promise<void>;
    getUserIndex(): Promise<string[]>;
    getUserRecord(username: string): Promise<StoredUser | null>;
    saveUserRecord(user: StoredUser): Promise<void>;
    deleteUserRecord(username: string): Promise<void>;
    private setUserIndex;
    private getUserKey;
    private normalizeStoredUser;
    dispose(): Promise<void>;
}
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