/**
 * webfetch Tool
 *
 * Fetches content from a URL and converts HTML to Markdown
 * Used by Planner and Worker agents for documentation research
 */
export declare const webfetchTool: {
    description: string;
    args: {
        url: import("zod").ZodString;
        cache: import("zod").ZodOptional<import("zod").ZodBoolean>;
        selector: import("zod").ZodOptional<import("zod").ZodString>;
    };
    execute(args: {
        url: string;
        cache?: boolean | undefined;
        selector?: string | undefined;
    }, context: import("@opencode-ai/plugin").ToolContext): Promise<string>;
};
