/**
 * QA360 Test Optimizer
 *
 * Optimizes generated tests for better quality and maintainability.
 * Removes redundancy, improves assertions, and enhances performance.
 */
import type { GeneratedTest } from './types.js';
/**
 * Optimization options
 */
export interface OptimizationOptions {
    /**
     * Remove duplicate tests
     */
    removeDuplicates?: boolean;
    /**
     * Merge similar tests
     */
    mergeSimilarTests?: boolean;
    /**
     * Improve assertions
     */
    improveAssertions?: boolean;
    /**
     * Add performance optimizations
     */
    addPerformanceOptimizations?: boolean;
    /**
     * Reduce test flakiness
     */
    reduceFlakiness?: boolean;
    /**
     * Target maximum test count
     */
    maxTestCount?: number;
}
/**
 * Optimization result
 */
export interface OptimizationResult {
    optimized: GeneratedTest[];
    removed: number;
    merged: number;
    improvements: string[];
}
/**
 * Test Optimizer class
 */
export declare class TestOptimizer {
    private readonly options;
    private readonly defaultOptions;
    constructor(options?: OptimizationOptions);
    /**
     * Optimize generated tests
     */
    optimize(tests: GeneratedTest[]): OptimizationResult;
    /**
     * Remove duplicate tests
     */
    private removeDuplicateTests;
    /**
     * Merge similar test cases
     */
    private mergeSimilarTestCases;
    /**
     * Improve test assertions
     */
    private improveTestAssertions;
    /**
     * Add performance improvements
     */
    private addPerformanceImprovements;
    /**
     * Reduce test flakiness
     */
    private reduceTestFlakiness;
    /**
     * Prioritize tests by importance
     */
    private prioritizeTests;
    /**
     * Create test signature for deduplication
     */
    private createTestSignature;
    /**
     * Calculate similarity between two tests
     */
    private calculateSimilarity;
    /**
     * Merge multiple tests into one
     */
    private mergeTests;
    /**
     * Extract test cases from code
     */
    private extractTestCases;
    /**
     * Enhance assertions in code
     */
    private enhanceAssertions;
    /**
     * Optimize performance
     */
    private optimizePerformance;
    /**
     * Add stability improvements
     */
    private addStabilityImprovements;
    /**
     * Get optimization suggestions for a test
     */
    getSuggestions(test: GeneratedTest): string[];
}
/**
 * Create optimizer with default config
 */
export declare function createOptimizer(options?: OptimizationOptions): TestOptimizer;