export type ProcessStatus = 'running' | 'stopped' | 'error';
export type ProcessSpawnResult = {
    pid: number;
    onExit: (callback: (code: number | null) => void) => void;
    onError: (callback: (error: Error) => void) => void;
    onStdout: (callback: (data: Buffer) => void) => void;
    onStderr: (callback: (data: Buffer) => void) => void;
};
export type ProcessSpawnConfig = {
    command: string;
    args?: string[];
    cwd?: string;
    env?: Record<string, string>;
};
export declare const ProcessControllerTag: unique symbol;
/**
 * ProcessController interface
 * Functions as a wrapper for child_process, responsible only for starting and stopping processes
 */
export interface ProcessController {
    spawn: (config: ProcessSpawnConfig) => Promise<ProcessSpawnResult>;
    kill: (pid: number, force?: boolean) => boolean;
    waitForExit: (pid: number, timeoutMs?: number) => Promise<void>;
}
/**
 * Process control service
 * Functions as a wrapper for child_process
 */
export declare class ProcessControllerImpl implements ProcessController {
    private readonly processes;
    /**
     * Start a process
     * @param config Process configuration
     * @returns Process spawn result
     */
    spawn(config: ProcessSpawnConfig): Promise<ProcessSpawnResult>;
    private getStartError;
    /**
     * Terminate a process
     * @param pid Process ID
     * @param force Force termination flag
     * @returns Whether the termination signal was successfully sent
     */
    kill(pid: number, force?: boolean): boolean;
    /**
     * Wait for process to exit
     * @param pid Process ID
     * @param timeoutMs Timeout in milliseconds
     */
    waitForExit(pid: number, timeoutMs?: number): Promise<void>;
}