/**
 * Agentic QE v3 - Coverage Analyzer Service
 * Implements ICoverageAnalysisService with O(log n) vector-based analysis
 */
import { Result } from '../../../shared/types';
import { MemoryBackend } from '../../../kernel/interfaces';
import { AnalyzeCoverageRequest, CoverageReport, CoverageData, CoverageSummary, CoverageGaps } from '../interfaces';
export interface ICoverageAnalysisService {
    /** Analyze coverage from reports */
    analyze(request: AnalyzeCoverageRequest): Promise<Result<CoverageReport, Error>>;
    /** Find coverage gaps using vector similarity for O(log n) search */
    findGaps(coverageData: CoverageData, threshold: number): Promise<Result<CoverageGaps, Error>>;
    /** Calculate coverage metrics */
    calculateMetrics(coverageData: CoverageData): CoverageSummary;
}
export declare class CoverageAnalyzerService implements ICoverageAnalysisService {
    private readonly memory;
    private static readonly DEFAULT_THRESHOLD;
    private static readonly VECTOR_DIMENSION;
    constructor(memory: MemoryBackend);
    /**
     * Analyze coverage from reports
     */
    analyze(request: AnalyzeCoverageRequest): Promise<Result<CoverageReport, Error>>;
    /**
     * Find coverage gaps using O(log n) vector similarity search
     * Uses HNSW indexing for efficient gap detection across large codebases
     */
    findGaps(coverageData: CoverageData, threshold?: number): Promise<Result<CoverageGaps, Error>>;
    /**
     * Calculate coverage metrics from raw data
     */
    calculateMetrics(coverageData: CoverageData): CoverageSummary;
    private calculateOverallCoverage;
    private calculateFileCoveragePercentage;
    private calculateFileRiskScore;
    private riskScoreToSeverity;
    private calculateDelta;
    private storeCoverageSnapshot;
    private indexFileCoverageVectors;
    private createCoverageEmbedding;
    private findSimilarGapPatterns;
    private generateRecommendations;
    private generateGapRecommendation;
    private getLineRanges;
    private generateGapId;
    private estimateEffort;
}
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