/**
 * @fileoverview SerpAPI helper for searching for dependency information
 *
 * This module provides utilities to search for information about dependencies
 * using the SerpAPI service.
 */
import { PackageInfo } from './packageAnalyzer';
/**
 * Interface for dependency security information
 */
export interface DependencySecurityInfo {
    packageName: string;
    packageVersion?: string;
    vulnerabilities: {
        description: string;
        severity: 'critical' | 'high' | 'medium' | 'low' | 'unknown';
        affectedVersions?: string;
        fixedVersions?: string;
        url?: string;
    }[];
    recommendedVersion?: string;
    deprecationInfo?: string;
    packageHealth?: {
        lastUpdated?: string;
        status?: 'active' | 'maintained' | 'deprecated' | 'abandoned' | 'unknown';
        stars?: number;
        popularity?: string;
    };
    sources: string[];
}
/**
 * Check if SerpAPI is configured correctly
 * @returns True if SerpAPI is available, false otherwise
 */
export declare function hasSerpApiConfig(): boolean;
/**
 * Search for security information about a package
 * @param packageInfo The package information to search for
 * @param ecosystem The package ecosystem (npm, composer, pip, gem)
 * @returns Security information about the package
 */
export declare function searchPackageSecurity(packageInfo: PackageInfo, ecosystem: 'npm' | 'composer' | 'pip' | 'gem'): Promise<DependencySecurityInfo | null>;
/**
 * Search for multiple packages in batch
 * @param packages The packages to search for
 * @param ecosystem The package ecosystem
 * @param limit The maximum number of packages to search for
 * @returns Security information for the packages
 */
export declare function batchSearchPackageSecurity(packages: PackageInfo[], ecosystem: 'npm' | 'composer' | 'pip' | 'gem', limit?: number): Promise<DependencySecurityInfo[]>;
/**
 * Format security information for display
 * @param securityInfo The security information to format
 * @returns Formatted security information
 */
export declare function formatSecurityInfo(securityInfo: DependencySecurityInfo[]): string;