/**
 * WebLLM processor for handling LLM tasks
 * Based on the documentation: https://webllm.mlc.ai/docs/user/basic_usage.html
 */
interface WebLLMConfig {
    initProgressCallback?: (progress: any) => void;
}
interface ChatMessage {
    role: 'system' | 'user' | 'assistant';
    content: string;
}
interface GenerationOptions {
    messages: ChatMessage[];
    temperature?: number;
    max_new_tokens?: number;
    stream?: boolean;
    stream_options?: {
        include_usage?: boolean;
    };
}
/**
 * Main WebLLM processor class that handles interactions with the MLC WebLLM library
 */
export declare class WebLLMProcessor {
    private engine;
    private model;
    private initProgress;
    private webllmModule;
    constructor(config?: WebLLMConfig);
    /**
     * Initializes the WebLLM engine with the specified model
     */
    initialize(model: string): Promise<void>;
    /**
     * Generate text using WebLLM chat completion API
     */
    generateText(options: GenerationOptions): Promise<any>;
    /**
     * Clean up resources when done
     */
    cleanup(): Promise<void>;
}
/**
 * Get or create a WebLLM processor instance
 */
export declare function getWebLLMProcessor(config?: WebLLMConfig): WebLLMProcessor;
export {};