import { HostApiClient } from './host-api-client.js';
export type RuntimeStatus = {
    hostRunning: boolean;
    hostMode: 'stopped' | 'embedded' | 'external';
    baseUrl: string;
    dataDir: string;
    version: string;
};
export type StopHostResult = RuntimeStatus & {
    stopped: boolean;
    reason: 'embedded-stopped' | 'external-not-managed' | 'already-stopped';
};
export declare class HostRuntimeController {
    private readonly version;
    private readonly client;
    private readonly config;
    private spawnedHost;
    private startPromise;
    private lastKnownHealth;
    private lastReadyStatus;
    private lastReadyAt;
    private readonly readyCacheMs;
    private spawnedHostOutput;
    private spawnedHostError;
    constructor(version: string);
    getApiClient(): HostApiClient;
    getBaseUrl(): string;
    getDataDir(): string;
    getStatus(): Promise<RuntimeStatus>;
    ensureHostReady(useCache?: boolean): Promise<RuntimeStatus>;
    close(): Promise<void>;
    stopHost(): Promise<StopHostResult>;
    private getHealth;
    private startHostProcess;
    private stopSpawnedHost;
    private resolveDataDir;
}