import type { EmailErrorCode } from "../../types.mjs";
import { EmailError } from "../../errors.mjs";
/** Map an SMTP reply code to our cross-driver error taxonomy. */
export declare function mapReplyCode(code: number): {
	code: EmailErrorCode;
	retryable: boolean;
};
/** Surface an SMTP reply as an `EmailError`. */
export declare function replyError(replyCode: number, raw: string, stage?: string): EmailError;
/** Surface a socket/network error. */
export declare function wrapNetworkError(err: unknown, stage?: string): EmailError;
/** Surface a timeout. */
export declare function timeoutError(stage: string, ms: number): EmailError;
/** Surface cancellation (dispose / abort signal). */
export declare function cancelledError(reason?: string): EmailError;