/**
 * Send Advanced Email via Infobip Service
 * Sends transactional or promotional emails using Infobip Advanced Email API v4
 *
 * @see https://www.infobip.com/docs/api/channels/email/send-email-messages
 */
import type { ServiceOptions } from '@plyaz/types/api';
import type { EndpointsList } from '@/api/endpoints';
import type { FetchResponse } from 'fetchff';
import type { InfobipSendAdvancedEmailRequest } from '@plyaz/types/api';
/**
 * Send advanced email via Infobip
 * Uses endpoint: POST /email/4/send
 *
 * This is the advanced email API that supports:
 * - Multiple recipients with per-recipient placeholders
 * - Proper attachment objects with content, contentType, and fileName
 * - Inline images
 * - Webhooks per message
 * - Advanced tracking options
 *
 * @param payload - Advanced email send request payload (JSON format)
 * @param options - Optional service options (client override, config overrides)
 * @returns Promise<FetchResponse> with InfobipSendAdvancedEmailResponse
 *
 * @example
 * ```typescript
 * // Basic email
 * const result = await sendInfobipAdvancedEmail({
 *   messages: [{
 *     sender: 'noreply@example.com',
 *     destinations: [{ destination: 'user@example.com' }],
 *     content: {
 *       subject: 'Welcome!',
 *       text: 'Welcome to our platform',
 *     },
 *   }],
 * });
 *
 * // Email with attachments
 * const result = await sendInfobipAdvancedEmail({
 *   messages: [{
 *     sender: 'noreply@example.com',
 *     destinations: [{ destination: 'user@example.com' }],
 *     content: {
 *       subject: 'Your Invoice',
 *       html: '<p>Please find your invoice attached.</p>',
 *       attachments: [{
 *         type: 'binary',
 *         content: base64FileContent,
 *         contentType: 'application/pdf',
 *         fileName: 'invoice.pdf',
 *       }],
 *     },
 *     webhooks: {
 *       delivery: {
 *         url: 'https://example.com/webhooks/infobip/email',
 *       },
 *     },
 *   }],
 * });
 * ```
 *
 * @throws {ApiPackageError} When the request fails or validation errors occur
 */
export declare function sendInfobipAdvancedEmail<TEndpoints = EndpointsList>(payload: InfobipSendAdvancedEmailRequest, options?: ServiceOptions<TEndpoints>): Promise<FetchResponse>;
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