/**
 * visus_fetch MCP Tool
 *
 * Fetches a web page and returns sanitized content in markdown or text format.
 *
 * CRITICAL: ALL content MUST pass through the sanitizer. This cannot be bypassed.
 */
import type { VisusFetchInput, VisusFetchOutput, Result } from '../types.js';
/**
 * visus_fetch tool implementation
 *
 * @param input Tool input parameters
 * @returns Sanitized page content with metadata
 */
export declare function visusFetch(input: VisusFetchInput): Promise<Result<VisusFetchOutput, Error>>;
/**
 * MCP tool definition for registration
 */
export declare const visusFetchToolDefinition: {
    name: string;
    title: string;
    description: string;
    inputSchema: {
        type: string;
        properties: {
            url: {
                type: string;
                description: string;
            };
            format: {
                type: string;
                enum: string[];
                description: string;
                default: string;
            };
            timeout_ms: {
                type: string;
                description: string;
                default: number;
            };
        };
        required: string[];
    };
    readOnlyHint: boolean;
    destructiveHint: boolean;
    idempotentHint: boolean;
    openWorldHint: boolean;
};
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