import { BaseConnector } from '../../base/base.connector';
import type { ISmsOptions, ISmsProvider, ISendMessageSuccessResponse, WithPassthrough, SmsSendResult, ISmsConnector } from '../../types';
import { ChannelTypeEnum } from '../../types';
import type { TelnyxConfig } from './telnyx.config';
import type { TelnyxNarrowedInput } from './telnyx.types';
export declare class TelnyxSmsConnector extends BaseConnector implements ISmsProvider, ISmsConnector {
    private config;
    readonly id = "telnyx";
    readonly channelType: ChannelTypeEnum.SMS;
    constructor(config: TelnyxConfig, fetchImpl?: typeof fetch);
    /**
     * Thinwrap-native send. Implements `ISmsConnector`.
     * Builds a JSON body, authenticates with `Authorization: Bearer <apiKey>`,
     * and POSTs to `https://api.telnyx.com/v2/messages`.
     *
     * Telnyx wire keys are snake_case (`messaging_profile_id`, `webhook_url`,
     * `auto_detect`, `media_urls`). these are written explicitly in
     * the `connectorBody` literal rather than invoking a casing transform.
     *
     * Telnyx wraps successful responses in a JSON:API `{ data: {...} }`
     * envelope; the connector unwraps once for `providerMessageId` and
     * preserves the full envelope in `raw`.
     */
    send(input: TelnyxNarrowedInput): Promise<SmsSendResult>;
    /**
     * Map Telnyx error responses to canonical `ConnectorError` with the 6-value
     * `ProviderCode` union. Parses `Retry-After`:
     * parsed seconds embedded in `providerMessage` text; raw header
     * value on `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>;
}