/**
 * Quality Score Calculator
 * ADR-023: Quality Feedback Loop System
 *
 * Calculates comprehensive quality scores from multiple dimensions.
 */
import type { QualityScore, QualityDimensions, QualityWeights, TestOutcome } from './types.js';
/**
 * Calculates quality scores from test outcomes and metrics
 */
export declare class QualityScoreCalculator {
    private weights;
    private historicalScores;
    private readonly maxHistory;
    constructor(weights?: Partial<QualityWeights>, maxHistory?: number);
    /**
     * Calculate quality score from a test outcome
     */
    calculateFromOutcome(outcome: TestOutcome): QualityScore;
    /**
     * Calculate quality dimensions from outcome
     */
    private calculateDimensions;
    /**
     * Calculate effectiveness (pass rate without flakiness)
     */
    private calculateEffectiveness;
    /**
     * Calculate coverage score (normalized 0-1)
     */
    private calculateCoverageScore;
    /**
     * Calculate stability score (inverse of flakiness)
     */
    private calculateStability;
    /**
     * Calculate performance score based on execution time
     */
    private calculatePerformanceScore;
    /**
     * Calculate overall quality score from dimensions
     */
    private calculateOverall;
    /**
     * Track score for trend analysis
     */
    private trackScore;
    /**
     * Calculate quality trend
     */
    private calculateTrend;
    /**
     * Calculate aggregate quality score from multiple outcomes
     */
    calculateAggregate(outcomes: TestOutcome[]): QualityScore;
    /**
     * Calculate delta between two quality scores
     */
    calculateDelta(before: QualityScore, after: QualityScore): {
        overallDelta: number;
        dimensionDeltas: Record<keyof QualityDimensions, number>;
        improved: boolean;
    };
    /**
     * Get recommendations based on quality score
     */
    getRecommendations(score: QualityScore): string[];
    /**
     * Update weights
     */
    updateWeights(newWeights: Partial<QualityWeights>): void;
    /**
     * Get current weights
     */
    getWeights(): QualityWeights;
    /**
     * Get statistics
     */
    getStats(): {
        scoresTracked: number;
        currentTrend: 'improving' | 'stable' | 'declining';
        avgRecentScore: number;
    };
    /**
     * Clear history
     */
    clearHistory(): void;
}
/**
 * Create a new quality score calculator
 */
export declare function createQualityScoreCalculator(weights?: Partial<QualityWeights>, maxHistory?: number): QualityScoreCalculator;
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