/**
 * Metrics Resource
 * Access observability data and metrics
 */
import type { APIClient } from '../lib/client.js';
import type { RequestMetrics, HealthCheck } from '../types.js';
export declare class Metrics {
    private readonly client;
    constructor(client: APIClient);
    /**
     * Get request metrics
     */
    getRequests(params?: {
        start_date?: string;
        end_date?: string;
        model?: string;
        provider?: string;
        success?: boolean;
        limit?: number;
    }): Promise<RequestMetrics[]>;
    /**
     * Get aggregated statistics
     */
    getStats(params?: {
        start_date?: string;
        end_date?: string;
        group_by?: 'model' | 'provider' | 'hour' | 'day';
    }): Promise<{
        total_requests: number;
        successful_requests: number;
        failed_requests: number;
        avg_latency_ms: number;
        p50_latency_ms: number;
        p95_latency_ms: number;
        p99_latency_ms: number;
        total_tokens: number;
        total_cost_usd: number;
        by_group?: Record<string, unknown>;
    }>;
    /**
     * Get model health checks
     */
    getHealth(params?: {
        model?: string;
    }): Promise<HealthCheck[]>;
    /**
     * Get error rate over time
     */
    getErrorRate(params?: {
        start_date?: string;
        end_date?: string;
        model?: string;
        interval?: '1m' | '5m' | '15m' | '1h' | '1d';
    }): Promise<Array<{
        timestamp: string;
        error_rate: number;
        total_requests: number;
        failed_requests: number;
    }>>;
    /**
     * Get cost breakdown
     */
    getCostBreakdown(params?: {
        start_date?: string;
        end_date?: string;
        group_by?: 'model' | 'provider' | 'day';
    }): Promise<{
        total_cost_usd: number;
        by_group: Record<string, {
            cost_usd: number;
            requests: number;
            tokens: number;
        }>;
    }>;
}
//# sourceMappingURL=metrics.d.ts.map