/**
 * Exa Web Search Tool
 *
 * AI-powered web search with semantic understanding.
 * Package: @exalabs/ai-sdk
 */
import type { ToolMetadata, PraisonTool } from '../registry/types';
export declare const EXA_METADATA: ToolMetadata;
export interface ExaSearchConfig {
    type?: 'auto' | 'neural' | 'fast' | 'deep';
    category?: 'company' | 'research paper' | 'news' | 'pdf' | 'github' | 'personal site' | 'linkedin profile' | 'financial report';
    numResults?: number;
    includeDomains?: string[];
    excludeDomains?: string[];
    startPublishedDate?: string;
    endPublishedDate?: string;
    includeText?: string[];
    excludeText?: string[];
    userLocation?: string;
    contents?: {
        text?: {
            maxCharacters?: number;
            includeHtmlTags?: boolean;
        };
        summary?: {
            query?: string;
        } | boolean;
        livecrawl?: 'never' | 'fallback' | 'always' | 'preferred';
        livecrawlTimeout?: number;
    };
}
export interface ExaSearchInput {
    query: string;
}
export interface ExaSearchResult {
    results: Array<{
        title: string;
        url: string;
        text?: string;
        summary?: string;
        publishedDate?: string;
        author?: string;
        score?: number;
    }>;
}
/**
 * Create an Exa Web Search tool
 */
export declare function exaSearch(config?: ExaSearchConfig): PraisonTool<ExaSearchInput, ExaSearchResult>;
/**
 * Factory function for registry
 */
export declare function createExaSearchTool(config?: ExaSearchConfig): PraisonTool<unknown, unknown>;