import { SentlyError } from "../core/errors.js";
import type { BrevoConfig, MailOptions, SendResult, Transport, VerifyResult } from "../core/types.js";
/** Error thrown when the Brevo API returns a non-success response. */
export declare class BrevoError extends SentlyError {
    readonly statusCode: number;
    /** Creates a Brevo API error with status code and error code. */
    constructor(message: string, statusCode: number, apiCode: string);
}
/**
 * Brevo HTTP API transport.
 */
export declare class BrevoTransport implements Transport {
    readonly provider = "brevo";
    /** Brevo API key used for Authorization. */
    private readonly apiKey;
    /** Creates a Brevo transport with the given API key. */
    constructor(config: BrevoConfig);
    /** Sends an email via the Brevo HTTP API. */
    send(options: MailOptions): Promise<SendResult>;
    /** Verifies the Brevo API key by fetching account info. */
    verify(): Promise<VerifyResult>;
}