/**
 * @fileoverview Taint analysis engine
 * @module @nahisaho/musubix-security/analysis/taint-analyzer
 * @trace REQ-SEC-TAINT-001, REQ-SEC-TAINT-002, REQ-SEC-TAINT-003, REQ-SEC-TAINT-004
 */
import type { TaintSource, TaintSink, TaintResult, TaintAnalysisOptions } from '../types/index.js';
/**
 * Reset counters (for testing)
 */
export declare function resetTaintCounters(): void;
/**
 * Taint analyzer engine
 */
export declare class TaintAnalyzer {
    private parser;
    private fileScanner;
    private options;
    private sourcePatterns;
    private sinkPatterns;
    constructor(options?: TaintAnalysisOptions);
    /**
     * Analyze a single file for taint issues
     */
    analyzeFile(filePath: string): {
        sources: TaintSource[];
        sinks: TaintSink[];
    };
    /**
     * Find taint sources in a source file
     */
    private findSources;
    /**
     * Find taint sinks in a source file
     */
    private findSinks;
    /**
     * Trace taint flow from sources to sinks (simplified)
     * Note: Full interprocedural analysis would require more sophisticated data flow analysis
     */
    private tracePaths;
    /**
     * Check if source and sink could be connected
     */
    private checkConnection;
    /**
     * Check if there's sanitization between source and sink
     */
    private checkSanitization;
    /**
     * Build flow steps between source and sink
     */
    private buildFlowSteps;
    /**
     * Analyze a directory for taint issues
     */
    analyze(rootPath: string): Promise<TaintResult>;
}
/**
 * Create a taint analyzer
 */
export declare function createTaintAnalyzer(options?: TaintAnalysisOptions): TaintAnalyzer;
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