import * as i0 from "@angular/core";
export interface WebLlmMessage {
    role: 'user' | 'assistant' | 'system';
    content: string;
}
export declare class NgxWebLlmService {
    private engine;
    status: import("@angular/core").WritableSignal<string>;
    progress: import("@angular/core").WritableSignal<number>;
    isReady: import("@angular/core").WritableSignal<boolean>;
    error: import("@angular/core").WritableSignal<string | null>;
    isGpuSupported(): boolean;
    init(modelId?: string, onProgress?: (val: number, msg: string) => void): Promise<void>;
    private simulateLoading;
    generate(messages: WebLlmMessage[], onToken?: (text: string) => void, options?: {
        max_tokens?: number;
        temperature?: number;
    }): Promise<string>;
    reset(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgxWebLlmService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NgxWebLlmService>;
}