import { BaseConnector } from '../../base/base.connector';
import type { ISmsOptions, ISmsProvider, ISendMessageSuccessResponse, WithPassthrough, SmsSendResult, ISmsConnector } from '../../types';
import { ChannelTypeEnum } from '../../types';
import type { VonageConfig } from './vonage.config';
import type { VonageNarrowedInput } from './vonage.types';
export declare class VonageSmsConnector extends BaseConnector implements ISmsProvider, ISmsConnector {
    private config;
    readonly id = "vonage";
    readonly channelType: ChannelTypeEnum.SMS;
    constructor(config: VonageConfig, fetchImpl?: typeof fetch);
    /**
     * Thinwrap-native send. Implements `ISmsConnector`.
     * Builds a form-urlencoded body (Vonage is one of the few wrapped providers
     * that auths via form fields instead of HTTP headers) and POSTs to
     * `https://rest.nexmo.com/sms/json`.
     *
     * Wire keys are kebab-case (`client-ref`, `message-class`, `status-report-req`)
     * which does not match camelCase auto-derivation; the connector
     * writes them explicitly in the `connectorBody` literal rather than invoking
     * any casing transform.
     *
     * Vonage emits HTTP 200 even for soft errors — `messages[0].status` is the
     * source of truth. The connector inspects `message.status` after the
     * HTTP layer; non-`'0'` is mapped via `VONAGE_STATUS_TO_PROVIDER_CODE` to a
     * canonical `ConnectorError`.
     */
    send(input: VonageNarrowedInput): Promise<SmsSendResult>;
    /**
     * Body-layer mapping: HTTP 200 with non-`'0'` per-message status. Soft-rate-limit
     * (status `'1'`) does not carry a `Retry-After` header — that's an HTTP-layer
     * concern handled in `mapVendorError`.
     */
    private mapVonageStatus;
    /**
     * HTTP-layer mapping. Parses `Retry-After` and embeds
     * the parsed seconds in `providerMessage` text; raw header value is attached
     * to `cause.retryAfter`. No structured `retryAfterSeconds` field per
     * Retry is consumer policy (no retryAfterSeconds field).
     */
    private mapVendorError;
    sendMessage(options: ISmsOptions, bridgeProviderData?: WithPassthrough<Record<string, unknown>>): Promise<ISendMessageSuccessResponse>;
}