/**
 * Service-related type definitions for NeuroLink
 * Service registry, dependency injection, and service management types
 */
import type { UnknownRecord } from "./common.js";
/**
 * Service factory function type
 */
export type ServiceFactory<T = unknown> = () => T | Promise<T>;
/**
 * Service registration configuration
 */
export type ServiceRegistration<T = unknown> = {
    factory: ServiceFactory<T>;
    singleton: boolean;
    instance?: T;
};
/**
 * Service definition with metadata and status
 */
export type ServiceDefinition<T = UnknownRecord> = {
    name: string;
    version: string;
    instance: T;
    metadata: ServiceMetadata;
    status: ServiceStatus;
};
/**
 * Service metadata for describing service capabilities
 */
export type ServiceMetadata = {
    description: string;
    tags: string[];
    dependencies: string[];
    capabilities: string[];
};
/**
 * Service status enumeration
 */
export type ServiceStatus = "active" | "inactive" | "error" | "initializing";
/**
 * Service health information
 */
export type ServiceHealth = {
    status: ServiceStatus;
    lastChecked: Date;
    uptime: number;
    errorCount: number;
    dependencies: ServiceDependencyHealth[];
};
/**
 * Service dependency health status
 */
export type ServiceDependencyHealth = {
    name: string;
    status: ServiceStatus;
    lastChecked: Date;
    responseTime?: number;
};
/**
 * Service configuration options
 */
export type ServiceConfigOptions = {
    singleton?: boolean;
    lazy?: boolean;
    timeout?: number;
    retries?: number;
    dependencies?: string[];
};
/**
 * Service registry statistics
 */
export type ServiceRegistryStats = {
    totalServices: number;
    activeServices: number;
    failedServices: number;
    initializingServices: number;
    circularDependencies: string[][];
};