export declare const CONFIG_KEYS: {
    db: {
        url: string;
    };
    nextAuthSecret: string;
};
export type UpdateKey = "db.url" | "nextAuthSecret";
export declare function updateConfig(key: UpdateKey, value: string | null): Promise<void>;
/**
 * @returns The list of all config keys, e.g. ["db.url", "nextAuthSecret"]
 */
export declare function listConfigKeys(): UpdateKey[];
