export interface ComfyUIConfig {
    url: string;
    outputDir?: string;
    /** ComfyUI input directory for control images */
    inputDir?: string;
    /** Generation timeout in milliseconds (default: 10 minutes) */
    timeout?: number;
}
export interface QueuePromptResponse {
    prompt_id: string;
    number: number;
}
export interface HistoryItem {
    prompt: any;
    outputs: Record<string, {
        images?: Array<{
            filename: string;
            subfolder: string;
            type: string;
        }>;
    }>;
    status: {
        status_str: string;
        completed: boolean;
        messages: any[];
    };
}
export interface QueueStatus {
    queue_running: any[];
    queue_pending: any[];
}
export interface SystemStats {
    system: {
        os: string;
        python_version: string;
        embedded_python: boolean;
        comfyui_version?: string;
    };
    devices: Array<{
        name: string;
        type: string;
        index: number;
        vram_total: number;
        vram_free: number;
        torch_vram_total: number;
        torch_vram_free: number;
    }>;
}
export declare class ComfyUIClient {
    private baseUrl;
    private wsUrl;
    outputDir: string;
    inputDir: string;
    private timeout;
    constructor(config: ComfyUIConfig);
    /** Get the ComfyUI input directory for control images */
    getInputDir(): string;
    queuePrompt(workflow: any, clientId?: string): Promise<QueuePromptResponse>;
    getHistory(promptId: string): Promise<HistoryItem | null>;
    getObjectInfo(): Promise<Record<string, any>>;
    getQueueStatus(): Promise<QueueStatus>;
    getSystemStats(): Promise<SystemStats>;
    getModels(): Promise<string[]>;
    getSamplers(): Promise<string[]>;
    getSchedulers(): Promise<string[]>;
    waitForCompletion(promptId: string, onProgress?: (value: number, max: number) => void): Promise<HistoryItem>;
    private pollForCompletion;
    getImage(filename: string, subfolder: string, type: string): Promise<Buffer>;
    getAudio(filename: string, subfolder: string, type: string): Promise<Buffer>;
    getVideo(filename: string, subfolder: string, type: string): Promise<Buffer>;
}