import { spawn, type ChildProcess } from "node:child_process";
/** The exact `uv` executable resolved by manager boot. A bare fallback remains for library
 * compositions that do not run the installed-extension inventory. */
export declare function hermesUvCommand(env?: NodeJS.ProcessEnv): string;
/** Spawn the project-pinned Hermes gateway through the exact manager-resolved uv executable. The
 * injectable spawn function is a smoke seam over this real call, not a second launch renderer. */
export declare function spawnHermesGateway(opts: {
    pkgDir: string;
    env: NodeJS.ProcessEnv;
    spawnImpl?: typeof spawn;
}): ChildProcess;
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