export declare const VENDOR_MODEL_PREMIUM_REQUIRED_ERROR = "vendor_model_premium_required";
export declare const VENDOR_MODEL_PREMIUM_REQUIRED_MESSAGE = "Third-party vendor models (GPT Image 2, Seedance, HappyHorse, and Wan 3) require Premium Spark Points on this account. Buy Premium Spark with a card or choose a Sogni-native model.";
export interface VendorModelPremiumRequiredPayload {
    error: typeof VENDOR_MODEL_PREMIUM_REQUIRED_ERROR;
    message: typeof VENDOR_MODEL_PREMIUM_REQUIRED_MESSAGE;
    retryPolicy: 'manual_user_confirmation';
    nextAction: 'wait_for_user';
    technicalError?: string;
}
export interface PremiumSparkBalanceLike {
    premiumCredit?: string | number | null;
}
export interface PremiumSparkBalancesLike {
    spark?: PremiumSparkBalanceLike | null;
}
export declare function vendorModelPremiumRequiredPayload(technicalError?: string): VendorModelPremiumRequiredPayload;
export declare function accountHasPremiumSparkAccess(balances: PremiumSparkBalancesLike | null | undefined): boolean | null;
export declare function collectErrorText(value: unknown, seen?: WeakSet<object>): string;
export declare function textRequiresVendorModelPremiumSpark(text: string): boolean;
export declare function vendorModelPremiumPayloadFromError(error: unknown): VendorModelPremiumRequiredPayload | null;
//# sourceMappingURL=vendorModelPremium.d.ts.map