class ChildProcess extends EventEmitterimport { ChildProcess } from "https://dotland.deno.dev/std@0.116.0/node/child_process.ts"; ConstructorsnewChildProcess(command: string,args?: string[],options?: ChildProcessOptions,)PropertiesexitCode: number | nullThe exit code of the child process. This property will be null until the child process exits. killed: booleanThis property is set to true after kill() is called. pid: numberThe PID of this child process. spawnargs: string[]Command line arguments given to this child process. spawnfile: stringThe executable file name of this child process. stderr: Readable | nullThis property represents the child process's stderr. stdin: Writable | nullThis property represents the child process's stdin. stdio: [Writable | null, Readable | null, Readable | null]Pipes to this child process. stdout: Readable | nullThis property represents the child process's stdout. Methodsprivate_handleError(err: unknown): voidprivate_waitForChildStreamsToClose(): Promise<void>kill(signal?: number): booleanref(): voidunref(): void