export interface StoredKey {
    apiKey: string;
    createdAt: string;
    updatedAt: string;
}
export interface KeyStore {
    readonly backendName: string;
    readonly backendPath: string;
    load(accountId: string): Promise<StoredKey | null>;
    save(accountId: string, apiKey: string): Promise<void>;
    delete(accountId: string): Promise<boolean>;
}
export declare function selectKeyStore(): KeyStore;
export declare function _resetKeyStoreForTests(): void;
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