/**
 * workflow/utils/workflowMetrics.ts
 * Metrics tracking and collection for workflow execution
 */
import type { JsonValue, EnsembleResponse, WorkflowResult, SummaryStats, WorkflowComparison, WorkflowExecutionMetrics } from "../../types/index.js";
/**
 * Workflow metrics tracker
 */
export declare class WorkflowMetrics {
    /**
     * Record a workflow execution
     */
    recordExecution(workflowId: string, result: WorkflowResult): void;
    /**
     * Record a workflow failure
     */
    recordFailure(workflowId: string, error: Error): void;
    /**
     * Get metrics for a specific workflow
     */
    getMetrics(workflowId: string): WorkflowExecutionMetrics | undefined;
    /**
     * Get all workflow metrics
     */
    getAllMetrics(): WorkflowExecutionMetrics[];
    /**
     * Clear metrics for a workflow
     */
    clearMetrics(workflowId: string): void;
    /**
     * Clear all metrics
     */
    clearAllMetrics(): void;
    /**
     * Export metrics as JSON
     */
    exportMetrics(): string;
}
/**
 * Calculate model-specific metrics from ensemble responses
 */
export declare function calculateModelMetrics(responses: EnsembleResponse[]): Record<string, {
    successRate: number;
    avgResponseTime: number;
}>;
/**
 * Calculate consensus level between responses
 * NOTE: Placeholder implementation - uses response length similarity
 * TODO: Implement semantic similarity in Phase 2
 */
export declare function calculateConsensus(responses: EnsembleResponse[]): number;
/**
 * Calculate confidence score from judge results and ensemble data
 */
export declare function calculateConfidence(ensembleResponses: EnsembleResponse[], judgeConfidence?: number, scores?: Record<string, number>): number;
/**
 * Format metrics for logging
 * @param result - Workflow result to format
 * @returns Formatted metrics as JSON-compatible record
 */
export declare function formatMetricsForLogging(result: WorkflowResult): Record<string, JsonValue>;
/**
 * Generate summary statistics for multiple executions
 * @param results - Array of workflow results to analyze
 * @returns Summary statistics including averages and success rate
 */
export declare function generateSummaryStats(results: WorkflowResult[]): SummaryStats;
/**
 * Compare two workflows based on metrics
 * @param workflow1Results - Results from first workflow
 * @param workflow2Results - Results from second workflow
 * @returns Comparison with stats for both workflows and winner determination
 */
export declare function compareWorkflows(workflow1Results: WorkflowResult[], workflow2Results: WorkflowResult[]): WorkflowComparison;