import { type EmailErrorCode, EmailError } from "./types.mjs";
/** Construct an `EmailError` with a consistent `[unemail] [driver] ...`
*  prefix so users can grep logs for a single provider. */
export declare function createError(driver: string, code: EmailErrorCode, message: string, init?: {
	status?: number;
	retryable?: boolean;
	cause?: unknown;
}): EmailError;
/** Error for missing required options — surfaced at driver initialization
*  so misconfiguration fails fast. */
export declare function createRequiredError(driver: string, name: string | readonly string[]): EmailError;
/** Normalize any thrown value into a typed `EmailError`. Preserves an
*  existing `EmailError` unchanged so retry/status info survives. */
export declare function toEmailError(driver: string, error: unknown): EmailError;
export { EmailError };