/**
 * Canary Deployment Testing - Compare baseline vs canary agent versions safely.
 *
 * @example
 * ```bash
 * agentprobe canary-compare baseline.json canary.json --thresholds thresholds.yaml
 * ```
 */
import type { SuiteResult } from './types';
export interface CanaryMetrics {
    passRate: number;
    avgLatencyMs: number;
    p95LatencyMs: number;
    totalCostUsd: number;
    safetyScore: number;
    errorRate: number;
}
export interface CanaryThresholds {
    maxPassRateDrop: number;
    maxLatencyIncrease: number;
    maxCostIncrease: number;
    minSafetyScore: number;
    maxErrorRateIncrease: number;
}
export interface MetricComparison {
    metric: string;
    baseline: number;
    canary: number;
    delta: number;
    deltaPercent: number;
    status: 'improved' | 'degraded' | 'unchanged';
}
export interface CanaryReport {
    timestamp: string;
    baselineName: string;
    canaryName: string;
    metrics: {
        baseline: CanaryMetrics;
        canary: CanaryMetrics;
    };
    comparisons: MetricComparison[];
    recommendation: 'promote' | 'rollback' | 'extend';
    confidence: number;
    reasons: string[];
}
export declare const DEFAULT_THRESHOLDS: CanaryThresholds;
/**
 * Extract metrics from a suite result.
 */
export declare function extractMetrics(suite: SuiteResult): CanaryMetrics;
/**
 * Compare baseline and canary suite results.
 */
export declare function compare(baseline: SuiteResult, canary: SuiteResult): CanaryReport;
/**
 * Determine if a canary should be promoted based on thresholds.
 */
export declare function shouldPromote(report: CanaryReport, thresholds?: CanaryThresholds): boolean;
/**
 * Format a canary report for console display.
 */
export declare function formatCanaryReport(report: CanaryReport): string;
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