import { FrontMcpServer, type HttpMethod, type HttpOptions, type ServerRequestHandler } from '../common';
import { type HealthOptionsInterface } from '../common/types/options/health';
import { type MetricsOptionsInterface } from '../common/types/options/metrics';
import { type HealthService } from '../health';
import { type MetricsService } from '../metrics';
import { type HostServerAdapter } from './adapters/base.host.adapter';
export declare class FrontMcpServerInstance extends FrontMcpServer {
    config: HttpOptions;
    host: HostServerAdapter;
    private healthRouteRegistered;
    private _healthService?;
    private _healthConfig?;
    private metricsRouteRegistered;
    private _metricsService?;
    private _metricsConfig?;
    constructor(httpConfig: HttpOptions);
    private setupDefaults;
    registerMiddleware(entryPath: string, handler: ServerRequestHandler): void | Promise<void>;
    registerRoute(method: HttpMethod, path: string, handler: ServerRequestHandler): void | Promise<void>;
    enhancedHandler(handler: ServerRequestHandler): ServerRequestHandler;
    /**
     * Set the health service and config for route registration.
     * Must be called before prepare() to enable enriched health endpoints.
     */
    setHealthService(healthService: HealthService, healthConfig: HealthOptionsInterface): void;
    /**
     * Set health config without a service (e.g., when health is explicitly disabled).
     * Allows prepare() to distinguish "not configured" from "disabled".
     */
    setHealthConfig(healthConfig: HealthOptionsInterface): void;
    /**
     * Set the metrics service and config for route registration (issue #397).
     * Must be called before prepare() to enable the `/metrics` endpoint.
     */
    setMetricsService(metricsService: MetricsService, metricsConfig: MetricsOptionsInterface): void;
    /**
     * Set metrics config without a service (e.g., when metrics is explicitly disabled
     * or running on a transport without a listener). Allows prepare() to skip route
     * registration without ambiguity.
     */
    setMetricsConfig(metricsConfig: MetricsOptionsInterface): void;
    prepare(): void;
    getHandler(): unknown;
    start(): Promise<void>;
}
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