/**
 * Metrics data fetching hook - per-tab data with tiered refresh rates
 */
import type { DashboardTab, MetricsSummary } from '../../dashboard/types.js';
import { type AgentSelectionMetrics } from '../../../services/agent-selection-analytics.service.js';
import { type CounterMetric, type GaugeMetric, type HistogramMetric, type MetricsSnapshot } from '../../../utils/metrics-collector.js';
export interface AgentAnalyticsData {
    metrics: AgentSelectionMetrics | null;
    successMetrics: null | {
        accuracy: number;
        completionRate: number;
        insights: string[];
        performance: number;
        userSatisfaction: number;
    };
}
export interface AuditData {
    entries: Array<{
        details?: Record<string, unknown>;
        duration_ms?: number;
        error?: string;
        operation: string;
        serverId: string;
        success: boolean;
        timestamp: Date;
        toolName?: string;
    }>;
    stats: {
        byOperation: Record<string, number>;
        byServer: Record<string, number>;
        successRate: number;
        totalEntries: number;
    };
}
export interface CacheData {
    dryRunCache: {
        entries: Array<{
            ageMs: number;
            commandName: string;
            key: string;
        }>;
        size: number;
    };
    stageOutputCache: {
        entries: Array<{
            ageMs: number;
            savedTime_ms: number;
            stageId: string;
        }>;
        size: number;
    };
}
export interface PerformanceData {
    counters: CounterMetric[];
    gauges: GaugeMetric[];
    histograms: HistogramMetric[];
    snapshot: MetricsSnapshot | null;
}
export declare function useMetricsData(activeTab: DashboardTab): {
    agentData: AgentAnalyticsData;
    auditData: AuditData;
    cacheData: CacheData;
    computeMetricsSummary: () => Promise<MetricsSummary | null>;
    performanceData: PerformanceData;
};
//# sourceMappingURL=use-metrics-data.d.ts.map