/**
 * @module
 * Meta WhatsApp Cloud API transport.
 *
 * Sently-first: wire into {@link createWhatsAppSender}. Other WhatsApp providers
 * (e.g. `TaqnyatWhatsAppTransport`) are separate transports with the same contract.
 *
 * @example
 * ```ts
 * import { createWhatsAppSender } from "sently/whatsapp";
 * import { WhatsAppCloudTransport } from "sently/transports/whatsapp-cloud";
 *
 * const wa = createWhatsAppSender({
 *   transport: new WhatsAppCloudTransport({
 *     accessToken: process.env.WHATSAPP_TOKEN!,
 *     phoneNumberId: process.env.WHATSAPP_PHONE_NUMBER_ID!,
 *   }),
 * });
 * ```
 */
import { SentlyError } from "../core/errors.js";
import type { VerifyResult } from "../core/types.js";
import type { WhatsAppOptions, WhatsAppSendResult, WhatsAppTransport } from "../core/whatsapp-types.js";
/** Default Graph API version (current as of 2026-08). */
export declare const WHATSAPP_CLOUD_DEFAULT_API_VERSION = "v26.0";
/** WhatsApp Cloud API configuration. */
export interface WhatsAppCloudConfig {
    /** Meta Graph API access token. */
    accessToken: string;
    /** WhatsApp Business phone number ID. */
    phoneNumberId: string;
    /** Graph API version (e.g. `"v26.0"`). Default: {@link WHATSAPP_CLOUD_DEFAULT_API_VERSION}. */
    apiVersion?: string;
}
/** Error thrown when the WhatsApp Cloud API returns a non-success response. */
export declare class WhatsAppCloudError extends SentlyError {
    readonly statusCode: number;
    readonly apiError: unknown;
    /** Creates a WhatsApp Cloud API error with status code and response payload. */
    constructor(message: string, statusCode: number, apiError: unknown);
}
/**
 * WhatsApp Cloud API transport (JSON Bearer).
 */
export declare class WhatsAppCloudTransport implements WhatsAppTransport {
    readonly provider = "whatsapp-cloud";
    private readonly accessToken;
    private readonly phoneNumberId;
    private readonly apiVersion;
    /** Creates a WhatsApp Cloud API transport. */
    constructor(config: WhatsAppCloudConfig);
    /** Sends a WhatsApp template or text message. */
    send(options: WhatsAppOptions): Promise<WhatsAppSendResult>;
    /** Lightweight credential check. */
    verify(): Promise<VerifyResult>;
}