/**
 * Structured form of a provider error string. Provider errors look something
 * like `<httpStatus> <jsonBody>` (Anthropic, OpenAI) or `<jsonBody>` (Gemini).
 * This helper makes a best-effort guess: walk the JSON, grab the deepest
 * `message` string and the first 3-digit `code`/`status` field.
 */
export interface FormattedProviderError {
    status?: string;
    message: string;
    details?: string;
    raw: string;
}
export declare function formatProviderError(raw: string | undefined): FormattedProviderError;
/** Compact one-liner suitable for notification toasts. */
export declare function formattedProviderErrorToShortString(e: FormattedProviderError): string;
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