export declare function closeBrowser(): Promise<void>;
export declare function fetchHtml(url: string): Promise<string>;
export declare function fetchHtmlBrowser(url: string): Promise<string>;
export interface RawKnowledgeSourceDocument {
    sourceUri: string;
    title?: string;
    markdown: string;
    contentHash: string;
    retrievedAt: number;
}
export declare function fetchHtmlSmart(url: string): Promise<string>;
export declare function fetchHtmlKnowledgeSource(url: string, options?: {
    renderJs?: boolean;
    retrievedAt?: number;
}): Promise<RawKnowledgeSourceDocument>;
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