interface DashboardApiOptions {
    port?: number;
    token?: string;
}
interface LiveMetricsSnapshot {
    timestamp: string;
    uptime: number;
    cpuUsagePercent: number;
    memoryHeapUsedMB: number;
    memoryRssMB: number;
    eventLoopDelayMs: number;
    interactionsTotal: number;
    interactionsPerSec: number;
    commandsTotal: number;
    commandsPerSec: number;
    eventsTotal: number;
    errorsTotal: number;
    errorsPerSec: number;
    avgCommandDurationMs: number;
    p95CommandDurationMs: number;
    gatewayPingMs: number;
    gatewayStatus: 'connected' | 'disconnected' | 'unknown';
    cacheHitRatio: number;
    activeTraces: number;
}
interface CommandMetric {
    name: string;
    executions: number;
    avgMs: number;
    p95Ms: number;
    errors: number;
}
interface LogEntry {
    timestamp: string;
    level: 'debug' | 'info' | 'warn' | 'error' | 'fatal';
    message: string;
    data?: Record<string, unknown>;
}
declare class MetricsRegistry {
    private metrics;
    private commands;
    private logs;
    private wsClients;
    private defaultMetrics;
    /** Called by ObservabilityProvider to update live metrics */
    pushMetrics(metrics: Partial<LiveMetricsSnapshot>): void;
    /** Called by command handlers to record command stats */
    recordCommand(name: string, durationMs: number, isError?: boolean): void;
    /** Add a log entry (ring buffer, max 500) */
    addLog(entry: LogEntry): void;
    getMetrics(): LiveMetricsSnapshot;
    getCommands(): CommandMetric[];
    getLogs(limit?: number): LogEntry[];
    addWsClient(client: any): void;
    removeWsClient(client: any): void;
    private broadcastToWs;
}
/** Global metrics registry — providers push data here */
declare const metricsRegistry: MetricsRegistry;
declare class DashboardApiServer {
    private server;
    private token;
    private wsServer;
    private startTime;
    constructor(options?: DashboardApiOptions);
    private timingSafeEqual;
    private registerEndpoints;
    private renderMinimalDashboard;
    start(): Promise<void>;
    stop(): Promise<void>;
}

export { type CommandMetric, type DashboardApiOptions, DashboardApiServer, type LiveMetricsSnapshot, type LogEntry, metricsRegistry };