/// <reference types="node" />
import type { ChildProcess, SpawnOptions } from 'child_process';
/**
 * A process exit status
 */
export interface ExitStatus {
    /**
   * Exit code of the process, or null if it was terminated
   */
    code: number | null;
    /**
   * The signal (if any) that terminated the process
   */
    signal: string | null;
}
export interface SuccessfulExitStatus extends ExitStatus {
    code: 0;
    signal: null;
}
export interface SpawnAndWaitOptions extends SpawnOptions {
    /**
   * If `true` reject the result promise on non-zero exit code.
   */
    throwOnNoZeroExit?: boolean;
    handleChildProcess?: (childProc: ChildProcess) => unknown;
}
export interface SpawnAndWaitForSuccessOptions extends SpawnAndWaitOptions {
    /**
   * If `true` reject the result promise on non-zero exit code.
   */
    throwOnNoZeroExit: true;
}
/**
 * Spawns a new process, and return a promise that is resolved when the process exists
 * @param cmd The command to execute
 * @param options Spawn options
 * @returns A promise that would be resolved with the process exit status when the process would exit or terminate. \
 * If the process would exit with non-zero exit code, the promise would be rejected
 */
export declare function spawnAndWait(cmd: string, options: SpawnAndWaitForSuccessOptions): Promise<SuccessfulExitStatus>;
/**
* Spawns a new process, and return a promise that is resolved when the process exists
* @param cmd The command to execute
* @param options Spawn options
* @returns A promise that would be resolved with the process exit status when the process would exit or terminate
*/
export declare function spawnAndWait(cmd: string, options?: SpawnAndWaitOptions): Promise<ExitStatus>;
/**
 * Spawns a new process, and return a promise that is resolved when the process exists
 * @param cmd The command to execute
 * @param args Array of command arguments
 * @param options Spawn options
 * @returns A promise that would be resolved with the process exit status when the process would exit or terminate. \
 * If the process would exit with non-zero exit code, the promise would be rejected
 */
export declare function spawnAndWait(cmd: string, args: string[], options: SpawnAndWaitForSuccessOptions): Promise<SuccessfulExitStatus>;
/**
 * Spawns a new process, and return a promise that is resolved when the process exists
 * @param cmd The command to execute
 * @param args Array of command arguments
 * @param options Spawn options
 * @returns A promise that would be resolved with the process exit status when the process would exit or terminate
 */
export declare function spawnAndWait(cmd: string, args: string[], options?: SpawnAndWaitOptions): Promise<ExitStatus>;
/**
 * Piping options for each io-stream
 */
export interface PipeChildProcStdioOptions {
    /**
   * Set to `false` to prevent piping of stdin
   */
    stdin: boolean;
    /**
   * Set to `false` to prevent piping of stdout
   */
    stdout: boolean;
    /**
   * Set to `false` to prevent piping of stderr
   */
    stderr: boolean;
}
export interface Pipes {
    stdout: NodeJS.WriteStream;
    stderr: NodeJS.WriteStream;
    stdin: ReturnType<typeof process['stdin']['pipe']>;
}
/**
 * Pipes child process IO streams to this process streams
 * @param childProc The child-process to pipe io to and from
 * @param options Optional options to disable specific io
 * @returns Pipe streams of the piped io
 */
export declare function pipeChildProcStdio<FDs extends PipeChildProcStdioOptions = PipeChildProcStdioOptions>(childProc: ChildProcess, options?: Partial<FDs>): Partial<Pipes>;