export interface GoogleAdsConfig {
    developerToken: string;
    customerId: string;
    loginCustomerId?: string;
}
/** 하이픈 제거 (API는 숫자만 허용) */
export declare function normalizeCustomerId(id: string): string;
export declare function saveConfig(cfg: GoogleAdsConfig): void;
export declare function loadConfig(): GoogleAdsConfig | null;
export declare function requireConfig(): GoogleAdsConfig;