/**
 * Agentic QE v3 - Code Metrics Analyzer
 * Real code analysis for complexity, maintainability, and quality metrics
 */
import { FunctionInfo, MethodInfo } from '../parsers';
export interface FileMetrics {
    path: string;
    linesOfCode: number;
    linesOfComments: number;
    blankLines: number;
    cyclomaticComplexity: number;
    cognitiveComplexity: number;
    maintainabilityIndex: number;
    halsteadMetrics: HalsteadMetrics;
    functionCount: number;
    classCount: number;
    maxNestingDepth: number;
}
export interface HalsteadMetrics {
    vocabulary: number;
    length: number;
    volume: number;
    difficulty: number;
    effort: number;
}
export interface FunctionMetrics {
    name: string;
    startLine: number;
    endLine: number;
    cyclomaticComplexity: number;
    cognitiveComplexity: number;
    parameterCount: number;
    linesOfCode: number;
}
export interface DuplicationResult {
    percentage: number;
    duplicates: DuplicateBlock[];
}
export interface DuplicateBlock {
    lines: number;
    occurrences: number;
    locations: Array<{
        file: string;
        startLine: number;
        endLine: number;
    }>;
}
export declare class CodeMetricsAnalyzer {
    private readonly parser;
    private readonly fileReader;
    constructor();
    /**
     * Analyze a single file for all metrics
     */
    analyzeFile(filePath: string): Promise<FileMetrics | null>;
    /**
     * Analyze function-level metrics
     */
    analyzeFunctionComplexity(content: string, func: FunctionInfo | MethodInfo): FunctionMetrics;
    /**
     * Detect code duplication across files
     */
    detectDuplication(files: string[], minLines?: number): Promise<DuplicationResult>;
    private countLines;
    private calculateCyclomaticComplexity;
    private calculateCognitiveComplexity;
    private estimateCyclomaticComplexity;
    private estimateCognitiveComplexity;
    private calculateNestingDepth;
    private calculateHalsteadMetrics;
    private calculateMaintainabilityIndex;
    private hashString;
}
export declare function getCodeMetricsAnalyzer(): CodeMetricsAnalyzer;
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