/** API codes that are safe to retry on a read request. */
export declare const RETRYABLE_API_CODES: Set<string>;
export declare const RETRYABLE_HTTP_STATUSES: Set<number>;
/** Actions that buy, extend, or change an activation. Not retried unless asked. */
export declare const MUTATING_ACTIONS: Set<string>;
/**
 * Error thrown for API status strings, HTTP failures, and client-side checks.
 *
 * Known API codes also have subclasses (`NoNumbersError`, `BadKeyError`, …).
 * `instanceof GrizzlySmsError` matches every subclass.
 *
 * @example
 * ```ts
 * try {
 *   await sms.getNumber({ service: "tg" });
 * } catch (error) {
 *   if (error instanceof NoNumbersError) {
 *     // choose another country
 *   }
 * }
 * ```
 */
export declare class GrizzlySmsError extends Error {
    readonly code: string;
    readonly raw: unknown;
    /**
     * @param code Stable error code, for example `NO_NUMBERS` or `BAD_KEY`.
     * @param raw Original response body. The message is `raw` when it is a non-empty string.
     *
     * @example
     * ```ts
     * throw new GrizzlySmsError("NO_NUMBERS", "NO_NUMBERS");
     * ```
     */
    constructor(code: string, raw?: unknown);
}
export declare class BadKeyError extends GrizzlySmsError {
}
export declare class BadActionError extends GrizzlySmsError {
}
export declare class BadServiceError extends GrizzlySmsError {
}
export declare class BadStatusError extends GrizzlySmsError {
}
export declare class BadCountryError extends GrizzlySmsError {
}
export declare class NoBalanceError extends GrizzlySmsError {
}
export declare class NoNumbersError extends GrizzlySmsError {
}
export declare class NoActivationError extends GrizzlySmsError {
}
export declare class NoKeyError extends GrizzlySmsError {
}
export declare class ErrorSqlError extends GrizzlySmsError {
}
export declare class SqlErrorError extends GrizzlySmsError {
}
export declare class ServiceUnavailableRegionError extends GrizzlySmsError {
}
export declare class WrongMaxPriceError extends GrizzlySmsError {
}
export declare class UsersIpNotAllowedError extends GrizzlySmsError {
}
export declare class ServiceProhibitedError extends GrizzlySmsError {
}
export declare class EmptyResponseError extends GrizzlySmsError {
}
export declare class NetworkError extends GrizzlySmsError {
}
export declare class TimeoutError extends GrizzlySmsError {
}
export declare class AbortedError extends GrizzlySmsError {
}
export declare class UnexpectedResponseError extends GrizzlySmsError {
}
export declare class InvalidTimeError extends GrizzlySmsError {
}
export declare class NoIdRentError extends GrizzlySmsError {
}
export declare class RentDieError extends GrizzlySmsError {
}
export declare class ServerError extends GrizzlySmsError {
}
export declare class CantCancelError extends GrizzlySmsError {
}
export declare class AlreadyFinishError extends GrizzlySmsError {
}
export declare class AlreadyCancelError extends GrizzlySmsError {
}
export declare class IncorrectStatusError extends GrizzlySmsError {
}
export declare class InvalidPhoneError extends GrizzlySmsError {
}
export declare class OperatorsNotFoundError extends GrizzlySmsError {
}
export declare class OutOfStockError extends GrizzlySmsError {
}
export declare class OrderAlreadyExistsError extends GrizzlySmsError {
}
/** HTTP status from the API host. `code` is `HTTP_<status>`. */
export declare class HttpStatusError extends GrizzlySmsError {
    readonly status: number;
    /**
     * @example
     * ```ts
     * throw new HttpStatusError(503, "unavailable");
     * ```
     */
    constructor(status: number, raw: unknown);
}
/**
 * Build the subclass for a known code. Unknown codes stay `GrizzlySmsError`.
 *
 * @example
 * ```ts
 * const error = errorFrom("NO_NUMBERS", "NO_NUMBERS");
 * ```
 */
export declare function errorFrom(code: string, raw?: unknown): GrizzlySmsError;
export declare function httpStatusError(status: number, raw: unknown): HttpStatusError;
export declare function assertNotApiError(data: unknown): void;
export declare function isRetryableApiBody(data: unknown): boolean;
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