import type { Readable, Writable } from "node:stream";
export interface HostBridgeCliOptions extends Record<string, unknown> {
    profile?: unknown;
    host?: unknown;
    hostVersion?: unknown;
    storeDir?: unknown;
}
export interface RunHostBridgeOptions {
    readonly profile: string;
    readonly host: string;
    readonly hostVersion: string;
    readonly storeDir?: string;
    readonly lifecycleIntervalMs?: number;
    readonly environment?: NodeJS.ProcessEnv;
    readonly cwd?: string;
    readonly relayPath?: string;
    readonly stdin?: Readable;
    readonly stdout?: Writable;
    readonly stderr?: Writable;
    readonly signalSource?: Pick<NodeJS.Process, "on" | "off">;
}
/** CLI composition boundary; stdout remains exclusively owned by MCP/stdio. */
export declare function runHostBridgeCli(options: HostBridgeCliOptions): Promise<void>;
/**
 * Run one foreground, Host-owned Bridge. It owns no daemon and returns only
 * after stdio closes or the owning Host sends SIGINT/SIGTERM.
 */
export declare function runHostBridge(options: RunHostBridgeOptions): Promise<void>;