/**
 * Folio Service Client
 * Observability, Metrics, Health Monitoring
 */
export interface FolioClientConfig {
    baseUrl?: string;
    timeout?: number;
}
export interface Metric {
    name: string;
    value: number;
    timestamp: number;
    labels?: Record<string, string>;
}
export interface MetricQuery {
    name: string;
    startTime?: number;
    endTime?: number;
    labels?: Record<string, string>;
}
export interface HealthStatus {
    status: 'healthy' | 'degraded' | 'unhealthy';
    timestamp: number;
    checks: HealthCheck[];
}
export interface HealthCheck {
    name: string;
    status: 'pass' | 'fail';
    duration: number;
    message?: string;
}
export interface Alert {
    id?: string;
    metric: string;
    threshold: number;
    operator: 'gt' | 'gte' | 'lt' | 'lte' | 'eq' | 'neq';
    severity: 'info' | 'warning' | 'error' | 'critical';
    message: string;
    timestamp: number;
}
export interface ErrorReport {
    message: string;
    stack?: string;
    context?: Record<string, unknown>;
    timestamp: number;
    severity: 'low' | 'medium' | 'high' | 'critical';
}
export declare class FolioClient {
    private baseUrl;
    private timeout;
    private authToken?;
    private isConnected;
    constructor(config?: FolioClientConfig);
    connect(): Promise<void>;
    disconnect(): void;
    isConnectedStatus(): boolean;
    setAuthToken(token: string): void;
    recordMetric(metric: Metric): Promise<void>;
    recordMetrics(metrics: Metric[]): Promise<void>;
    queryMetrics(query: MetricQuery): Promise<Metric[]>;
    getLatestMetric(name: string): Promise<Metric | null>;
    recordError(error: ErrorReport): Promise<void>;
    recordErrors(errors: ErrorReport[]): Promise<void>;
    checkHealth(): Promise<HealthStatus>;
    checkComponentHealth(component: string): Promise<HealthCheck>;
    recordAlert(alert: Alert): Promise<void>;
    getAlerts(severity?: string, limit?: number): Promise<Alert[]>;
    dismissAlert(alertId: string): Promise<void>;
    private healthCheck;
    private request;
    private getDefaultHealthStatus;
}
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