export interface WebFetchOutput {
    url: string;
    title: string | null;
    content: string;
    provider: 'tavily' | 'native';
    rawLength: number;
    truncated: boolean;
}
export declare class WebFetchService {
    private readonly logger;
    fetch(url: string): Promise<WebFetchOutput>;
    private fetchTavily;
    private fetchNative;
}