import * as T from './types';
/**
 * Main client for interacting with the Unlayer Cloud API v2.
 */
export declare class UnlayerClient {
    private readonly apiKey;
    private readonly httpClient;
    /**
     * Creates an instance of the Unlayer API client.
     * @param apiKey - Your Unlayer Project API Key.
     * @param baseURL - Optional base URL for the API (defaults to production v2 URL).
     * @param timeout - Optional request timeout in milliseconds (defaults to 60000).
     */
    constructor(apiKey: string, baseURL?: string, timeout?: number);
    /**
     * Private helper method to make requests and handle errors.
     * @param method - HTTP method ('get', 'post').
     * @param path - API endpoint path (e.g., '/templates').
     * @param params - Query parameters for GET requests.
     * @param data - Request body data for POST requests.
     * @returns Promise resolving to the API response data.
     */
    private request;
    /**
     * Export a design to HTML format.
     * Corresponds to `POST /export/html`
     * @param payload - The export options and design JSON.
     * @returns The exported HTML and associated chunks.
     * @throws {UnlayerApiError} If the API request fails.
     * @see https://docs.unlayer.com/reference/export-html # Replace with actual docs link if available
     */
    exportHtml(payload: T.ExportHtmlRequest): Promise<T.ExportHtmlResponse>;
    /**
     * Export a design to image (PNG) format.
     * Corresponds to `POST /export/image`
     * @param payload - The export options and design JSON.
     * @returns An object containing the URL of the generated image.
     * @throws {UnlayerApiError} If the API request fails.
     * @see https://docs.unlayer.com/reference/export-image # Replace with actual docs link if available
     */
    exportImage(payload: T.ExportImageRequest): Promise<T.ExportImageResponse>;
    /**
     * Export a design to PDF format.
     * Corresponds to `POST /export/pdf`
     * @param payload - The export options and design JSON.
     * @returns An object containing the URL of the generated PDF.
     * @throws {UnlayerApiError} If the API request fails.
     * @see https://docs.unlayer.com/reference/export-pdf # Replace with actual docs link if available
     */
    exportPdf(payload: T.ExportPdfRequest): Promise<T.ExportPdfResponse>;
    /**
     * Export a design as a ZIP archive containing HTML and assets.
     * Corresponds to `POST /export/zip`
     * @param payload - The export options and design JSON.
     * @returns An object containing the URL of the generated ZIP archive.
     * @throws {UnlayerApiError} If the API request fails.
     * @see https://docs.unlayer.com/reference/export-zip # Replace with actual docs link if available
     */
    exportZip(payload: T.ExportZipRequest): Promise<T.ExportZipResponse>;
    /**
     * Get a list of available templates, optionally paginated.
     * Corresponds to `GET /templates`
     * @param params - Query parameters for pagination and design inclusion.
     * @returns An object containing a list of templates.
     * @throws {UnlayerApiError} If the API request fails.
     * @see https://docs.unlayer.com/reference/list-templates # Replace with actual docs link if available
     */
    listTemplates(params?: T.ListTemplatesParams): Promise<T.ListTemplatesResponse>;
    /**
     * Get a specific template by its ID.
     * Corresponds to `GET /templates/{id}`
     * @param id - The ID of the template to retrieve.
     * @returns The specific template details including the design JSON.
     * @throws {UnlayerApiError} If the API request fails.
     * @throws {Error} If the template ID is not provided.
     * @see https://docs.unlayer.com/reference/get-template # Replace with actual docs link if available
     */
    getTemplate(id: string): Promise<T.GetTemplateResponse>;
    /**
     * Render the HTML for a specific template.
     * Corresponds to `GET /templates/{id}/render`
     * @param id - The ID of the template to render.
     * @returns The rendered HTML, chunks, and AMP details.
     * @throws {UnlayerApiError} If the API request fails.
     * @throws {Error} If the template ID is not provided.
     * @see https://docs.unlayer.com/reference/render-template-html # Replace with actual docs link if available
     */
    renderTemplateHtml(id: string): Promise<T.RenderTemplateHtmlResponse>;
}