/**
 * Pidfile management for processes the CLI spawns into the background
 * (RealSense camera, Gazebo, etc.). Same /tmp/agenticros-*.pid convention as
 * the existing scripts/start_demo.sh.
 */
export type ManagedProcess = "camera" | "sim" | "mcp" | "rosbridge" | "eyes";
export declare function writePid(name: ManagedProcess, pid: number): void;
export declare function readPid(name: ManagedProcess): number | undefined;
/** True if the recorded PID exists and is still alive. */
export declare function isPidAlive(name: ManagedProcess): boolean;
/** Kill the recorded process gently (SIGTERM). Returns the pid that was signalled. */
export declare function killPid(name: ManagedProcess, signal?: NodeJS.Signals): number | undefined;
export declare function clearPid(name: ManagedProcess): void;
/** Log file path for a managed process, matching the start_demo.sh convention. */
export declare function logPath(name: ManagedProcess): string;
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