/**
 * Baseline comparison utilities
 *
 * Compare current benchmark results against stored baselines
 * to detect performance regressions.
 */
import type { ScenarioMetrics, ComparisonResult, ComparisonThresholds } from '../types';
/**
 * Compare current metrics against baseline
 *
 * @param current - Current benchmark results
 * @param baseline - Baseline results to compare against
 * @param thresholds - Optional custom thresholds (defaults to DEFAULT_THRESHOLDS)
 * @returns Comparison result with pass/fail status and detailed breakdown
 */
export declare function compareWithBaseline(current: ScenarioMetrics, baseline: ScenarioMetrics, thresholds?: ComparisonThresholds): ComparisonResult;
/**
 * Format comparison result as markdown for PR comments
 */
export declare function formatComparisonAsMarkdown(result: ComparisonResult, scenario: string, itemCount: number): string;
/**
 * Compare AnimatedFlashList vs vanilla FlashList
 */
export declare function compareVsVanilla(animated: ScenarioMetrics, vanilla: ScenarioMetrics): ComparisonResult;
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