export type HeadersLike = Headers | Record<string, string | undefined> | undefined | null;
/** Extracts retry timing using the provider's catalog-declared timestamp timezone. */
export declare function extractProviderRetryHint(provider: string | undefined, message: string | undefined): number | undefined;
export declare function formatErrorMessageWithRetryAfter(error: unknown, headers?: HeadersLike): string;
export declare function getRetryAfterMsFromHeaders(headers: HeadersLike): number | undefined;
export declare function getHeadersFromError(error: unknown): HeadersLike;