import { type ChildProcess, type ChildProcessByStdio, type SpawnOptions, type SpawnOptionsWithStdioTuple, type SpawnSyncOptionsWithStringEncoding, type SpawnSyncReturns, type StdioNull, type StdioPipe } from "node:child_process";
import type { Readable } from "node:stream";
export declare function spawnProcess(command: string, args: string[], options: SpawnOptionsWithStdioTuple<StdioNull, StdioPipe, StdioPipe>): ChildProcessByStdio<null, Readable, Readable>;
export declare function spawnProcess(command: string, args: string[], options: SpawnOptions): ChildProcess;
export declare function spawnProcessSync(command: string, args: string[], options: SpawnSyncOptionsWithStringEncoding): SpawnSyncReturns<string>;
export declare function waitForChildProcess(child: ChildProcess): Promise<number | null>;
export interface ChildProcessTerminationOptions {
    signal?: AbortSignal;
    timeoutMs?: number;
    killGraceMs?: number;
}
export interface ChildProcessTerminationResult {
    code: number | null;
    reason: "exited" | "aborted" | "timeout";
}
/**
 * Wait for a child terminal event while converting abort/deadline events into a
 * tracked process-tree termination. No PID polling or detached killer process is used.
 */
export declare function waitForChildProcessWithTermination(child: ChildProcess, options?: ChildProcessTerminationOptions): Promise<ChildProcessTerminationResult>;
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