import type { DiscoveredFile, ScanResult, ScanOptions } from './types';
import { CacheManager } from './cache';
export declare class ScanEngine {
    private cache;
    private options;
    constructor(cache?: CacheManager, options?: ScanOptions);
    /** Analyze a batch of discovered files and return grouped results */
    analyze(files: DiscoveredFile[]): ScanResult;
    /** Get the cache manager (for serialization) */
    getCache(): CacheManager;
    private analyzeFile;
    /** Group file-level signals into project-level results */
    private groupByProject;
    /** Walk up from a file path to find the nearest project root */
    private findProjectRoot;
    /**
     * Corroboration: downgrade construction/config signals that have no matching
     * installed framework or provider.
     *
     * Gate 2 rules:
     * - agent_construction (weight 60) without a matching dependency or code_usage
     *   signal → downgrade to weight 15 (dead code, comment, or fake construction)
     * - framework_config (weight 80) without a matching dependency or code_usage
     *   signal → downgrade to weight 40 (config file dropped with no framework installed)
     * - framework_config (weight 100) — workspace configs stand alone, never downgraded
     *
     * This blocks two adversarial patterns:
     * 1. Commented-out or dead agent construction code (no framework installed)
     * 2. Dropping a crew.yaml / agents.yaml without actually using the framework
     */
    private applyCorroboration;
    /** Package names/keywords that indicate an SDK, observability tool, or monitoring library — not an agent */
    private static SDK_INDICATORS;
    /** Check if a project is an SDK/tool that wraps agents, not an agent itself */
    private isSDKProject;
    /** Extract agent definitions from a project's signals */
    private extractAgents;
    /** Extract a human-readable project name — prefers package.json/pyproject.toml name over dir */
    private extractProjectName;
    /** Detect the primary language from signals */
    private detectLanguage;
    /** Compute overall confidence from signals */
    private computeConfidence;
}
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