export interface ByokKeysRecord {
    openaiApiKey: string | null;
    anthropicApiKey: string | null;
    openrouterApiKey: string | null;
    createdAt: string;
    updatedAt: string;
}
export declare function readByokKeys(): ByokKeysRecord | null;
export declare function writeByokKeys(input: Partial<ByokKeysRecord>): ByokKeysRecord;
export declare function clearByokKeys(): void;