/**
 * Metrics collection for AWP experiments.
 *
 * Tracks tokens, success rates, reputation changes, and other experiment metrics.
 */
import type { CycleMetrics, CycleResult, ExperimentResult, AgentReputation, TaskResult, ManifestoConfig } from "./types.js";
/**
 * Snapshot of metrics at a point in time.
 */
export interface MetricsSnapshot {
    timestamp: string;
    cycleNumber: number;
    metrics: CycleMetrics;
    reputations: Record<string, AgentReputation>;
}
/**
 * Collects and aggregates metrics during experiment execution.
 */
export declare class MetricsCollector {
    private snapshots;
    private currentCycle;
    private startedAt;
    /** Task execution records for current cycle */
    private currentTasks;
    /** Reputation snapshots at start of current cycle */
    private previousReputations;
    /** Current reputations */
    private currentReputations;
    /** Detected anti-patterns this cycle */
    private antiPatterns;
    /**
     * Start a new experiment.
     */
    startExperiment(): void;
    /**
     * Start a new cycle.
     */
    startCycle(reputations: Record<string, AgentReputation>): void;
    /**
     * Reset cycle-specific state.
     */
    private resetCycle;
    /**
     * Record a task execution.
     */
    recordTask(contractId: string, agentId: string, result: TaskResult): void;
    /**
     * Record an anti-pattern detection.
     */
    recordAntiPattern(patternId: string, agentId: string, penalty: number): void;
    /**
     * Update reputation snapshot.
     */
    updateReputation(agentId: string, reputation: AgentReputation): void;
    /**
     * Compute reputation changes for the current cycle.
     */
    private computeReputationChanges;
    /**
     * Complete the current cycle and generate a CycleResult.
     */
    completeCycle(contractsCreated: string[]): CycleResult;
    /**
     * Take a snapshot of current metrics.
     */
    snapshot(): void;
    /**
     * Get all snapshots.
     */
    getSnapshots(): MetricsSnapshot[];
    /**
     * Summarize the experiment results.
     */
    summarize(experimentId: string, manifestoId: string, societyId: string, cycles: CycleResult[], manifesto?: ManifestoConfig): ExperimentResult;
    /**
     * Compute trust stability metric (low variance in reputation changes).
     */
    private computeTrustStability;
}
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