export interface RunCommandOptions {
    cwd?: string;
    signal?: AbortSignal;
    timeoutMs?: number;
    stdio?: "captured" | "inherit";
    trim?: boolean;
    /**
     * Explicit subprocess env, replacing (not merging with) the inherited host
     * env — matching `execFileSync`'s own semantics. Callers that want the host
     * env plus overrides (e.g. relocating an agent's config-dir var) build that
     * merge themselves before calling in, the same pattern the shell adapter
     * uses for its own subprocess spawns. Only honored for the default
     * (`captured`) mode — no caller needs it under `stdio: "inherit"` yet.
     */
    env?: NodeJS.ProcessEnv;
}
export declare function runCommand(command: string, arguments_: readonly string[], options: RunCommandOptions & {
    stdio: "inherit";
}): void;
export declare function runCommand(command: string, arguments_: readonly string[], options?: RunCommandOptions & {
    stdio?: "captured";
}): string;
export declare function runCommandAsync(command: string, arguments_: readonly string[], options: RunCommandOptions & {
    stdio: "inherit";
}): Promise<undefined>;
export declare function runCommandAsync(command: string, arguments_: readonly string[], options?: RunCommandOptions & {
    stdio?: "captured";
}): Promise<string>;
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