import type { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
export interface GroundingChunk {
    web?: {
        uri?: string;
        title?: string;
    };
}
export interface GroundingSupport {
    segment?: {
        text?: string;
        startIndex?: number;
        endIndex?: number;
    };
    groundingChunkIndices?: number[];
}
export interface GroundingMetadata {
    webSearchQueries?: string[];
    groundingChunks?: GroundingChunk[];
    groundingSupports?: GroundingSupport[];
    searchEntryPoint?: unknown;
}
export declare function formatGroundedResponse(text: string, metadata: GroundingMetadata | undefined): string;
export declare function registerWebSearchTool(server: McpServer): void;