import type { ToolInstallStatus } from "../types.js";
export declare function setGracefulShutdownFn(fn: (signal: string, preserveSessions: boolean) => Promise<void>): void;
export declare const instanceRouter: import("express-serve-static-core").Router;
export declare function buildConnectionCheckResponse(connectionKeyMd5: string): {
    status: number;
    body: {
        ok: boolean;
        runtimeBridge?: "healthy";
        version: string;
        connectionKeyMatched: boolean;
        connectionKeyRequired: boolean;
        error?: string;
    };
};
export interface SchedulerPingFailureResponse {
    ok: false;
    error: string;
    failureStage: "scheduler_ping";
    runtimeBridge: "healthy";
    schedulerBaseUrl: string;
    hint: string;
}
interface AmbiguousSchedulerBaseUrlResponse {
    ok: false;
    error: "ambiguous_scheduler_base_url";
    failureStage: "scheduler_ping";
    runtimeBridge: "healthy";
    schedulerBaseUrl: string;
    autoRegisterTargetUrls: string[];
    hint: string;
}

export declare function buildSchedulerPingFailureResponse(error: Error, configuredSchedulerBaseUrl: string): SchedulerPingFailureResponse;

export declare function buildAmbiguousSchedulerBaseUrlResponse(targetUrls: string[]): AmbiguousSchedulerBaseUrlResponse;

export declare function summarizeToolStatus(toolStatus: Record<string, ToolInstallStatus>): Record<string, Pick<ToolInstallStatus, "installed" | "version" | "executable" | "error">>;
export {};