import type { Adapter } from "./adapter.js";
import { type MetricsCollector } from "./metrics.js";
import type { Router } from "./router.js";
import type { RuntimeOperation } from "./runtime-operation.js";
export interface RuntimeProcessIdentity {
    instanceId: string;
    startedAt: string;
}
/** 返回当前进程内所有 BaseApp 共享的稳定运行时身份。 */
export declare function getRuntimeProcessIdentity(): Readonly<RuntimeProcessIdentity>;
interface ObservableApp {
    readonly router: Router;
    readonly adapters: ReadonlyMap<keyof Adapter.Configs, Adapter>;
    readonly isStarted: boolean;
    readonly isReloading: boolean;
    /** 当前应用的 HTTP 性能指标；旧的单全局宿主可省略。 */
    readonly metrics?: MetricsCollector;
    /** 当前撤销 readiness 的运行态操作；嵌入式宿主可省略并得到 unknown。 */
    readonly runtimeOperation?: RuntimeOperation;
    /** OneBots 主应用提供磁盘配置状态；嵌入式 BaseApp 可不跟踪。 */
    readonly runtimeConfigState?: {
        status: string;
    };
    /** 主应用可提供不包含原始路径或参数的启动契约摘要。 */
    readonly runtimeContractId?: string;
    /** 主应用显式选择可公开的 WebSocket 容量标签，避免枚举第三方路径。 */
    readonly webSocketCapacity?: readonly WebSocketCapacityMetric[];
}
export interface WebSocketCapacityMetric {
    name: string;
    activeConnections: number;
    maxConnections?: number;
    capacityRejections: number;
}
export interface ApplicationIdentity {
    name: string;
    version: string;
}
export interface RuntimeIdentity extends ApplicationIdentity {
    coreVersion: string;
}
interface ProtocolReadinessCounts {
    ready: number;
    unavailable: number;
    total: number;
}
interface AdapterReadinessCounts {
    online: number;
    offline: number;
    total: number;
    accounts_without_protocols: number;
    protocols: ProtocolReadinessCounts;
}
export interface ReadinessSnapshot {
    ready: boolean;
    timestamp: string;
    server: boolean;
    reloading: boolean;
    runtime_operation: RuntimeOperation;
    configured: boolean;
    config: {
        status: "in_sync" | "drifted" | "unavailable" | "untracked";
        in_sync: boolean;
    };
    adapters: Record<string, AdapterReadinessCounts>;
    summary: {
        total_adapters: number;
        total_accounts: number;
        online_accounts: number;
        total_protocols: number;
        ready_protocols: number;
        accounts_without_protocols: number;
    };
}
export interface ReadinessResponse extends ReadinessSnapshot {
    application: string;
    version: string;
    core_version: string;
    instance_id: string;
    started_at: string;
    runtime_contract_id?: string;
}
/** 生成与 HTTP 无关的就绪快照，便于部署探针和测试共享同一判定。 */
export declare function getReadinessSnapshot(app: ObservableApp): ReadinessSnapshot;
export declare function formatProtocolReadinessMetrics(snapshot: ReadinessSnapshot): string[];
export declare function formatWebSocketCapacityMetrics(routes: readonly WebSocketCapacityMetric[]): string[];
/** 注册不依赖管理端鉴权的存活、就绪与 Prometheus 端点。 */
export declare function registerObservabilityEndpoints(app: ObservableApp, identity: RuntimeIdentity): void;
export {};