import type { ContentMessageItemImage } from "#ai-utils";
import type { DevToolsSys } from "../../types";
export interface GifGeneratorOptions {
    duration?: string;
    frameDurations?: string[];
    outputPath: string;
    cleanup?: boolean;
    sys?: DevToolsSys;
    maxWidth?: number;
    debug?: boolean;
    signal?: AbortSignal;
}
export declare class GifGenerator {
    #private;
    private frames;
    private tmpDir;
    private static ffmpegAvailable;
    /**
     * Check if ffmpeg is available on the system
     */
    static checkFfmpegAvailable(signal?: AbortSignal): Promise<boolean>;
    /**
     * Add an image frame to the GIF
     * @param image ContentMessageItemImage with base64 source
     */
    addImage(image: ContentMessageItemImage): void;
    /**
     * Add multiple image frames to the GIF
     * @param images Array of ContentMessageItemImage with base64 sources
     */
    addImages(images: ContentMessageItemImage[]): void;
    /**
     * Get the number of frames added
     */
    getFrameCount(): number;
    /**
     * Clear all frames
     */
    clearFrames(): void;
    /**
     * Generate the GIF from the added frames
     * @param options Generation options
     * @returns Path to the generated GIF file
     */
    generateGif(options: GifGeneratorOptions): Promise<string>;
    /**
     * Manually cleanup if needed (useful for non-cleanup mode)
     */
    cleanup(): Promise<void>;
}
/**
 * Helper function to quickly generate a GIF from images
 * This function is completely safe and will never throw exceptions
 * @param images Array of ContentMessageItemImage with base64 sources
 * @param options Generation options
 * @returns Path to the generated GIF file, or null if generation failed
 */
export declare function generateGifFromImages(images: ContentMessageItemImage[], options: GifGeneratorOptions): Promise<string | null>;