import type { AltImageClientOptions, BatchResult, GenerateAltOptions, ProcessHTMLOptions } from "./types";
export declare class AltImageClient {
    private provider;
    private language;
    private maxLength;
    private customPrompt;
    constructor(options: AltImageClientOptions);
    /**
     * Generate alt text for a single image.
     *
     * @param image - URL, file path, data URI, or Buffer
     * @param options - Override default language, maxLength, or prompt
     * @returns The generated alt text string
     */
    generateAlt(image: string | Buffer, options?: GenerateAltOptions): Promise<string>;
    /**
     * Generate alt text for multiple images in parallel.
     *
     * @param images - Array of URLs, file paths, data URIs, or Buffers
     * @param options - Override default language, maxLength, or prompt
     * @returns Object with results array and errors array
     */
    generateAltBatch(images: (string | Buffer)[], options?: GenerateAltOptions): Promise<BatchResult>;
    /**
     * Process an HTML string: find <img> tags and generate alt text for them.
     *
     * @param html - HTML string to process
     * @param options - Configure which images to process and generation options
     * @returns The HTML string with alt attributes added/updated
     */
    processHTML(html: string, options?: ProcessHTMLOptions): Promise<string>;
    private buildPrompt;
}