export declare class WebFetchError extends Error {
    constructor(message: string);
}
export interface WebFetchOptions {
    timeoutSeconds?: number;
    signal?: AbortSignal;
    userAgent?: string;
    /**
     * Bypass SSRF private-host/IP blocking. Used only by tests that spin up a
     * local mock HTTP server; never exposed through the `web_fetch` tool schema.
     */
    allowPrivateHosts?: boolean;
}
export interface WebFetchResult {
    url: string;
    finalUrl: string;
    contentType: string;
    content: string;
    contentLengthBytes: number;
}
/**
 * Validate a URL with SSRF protection.
 *
 * Throws WebFetchError for invalid URLs, non-http(s) protocols, blocked
 * hostnames, or hostnames that resolve to private IP addresses.
 */
export declare function validateUrl(urlStr: string, allowPrivateHosts?: boolean): Promise<URL>;
/** Validate that the Content-Type is readable text, not binary media. */
export declare function validateContentType(contentType: string): void;
/**
 * Fetch a public URL and return its decoded text content.
 */
export declare function fetchWebPage(url: string, opts?: WebFetchOptions): Promise<WebFetchResult>;
//# sourceMappingURL=fetcher.d.ts.map