class Deno.ChildUnstablePropertiesreadonlypid: numberreadonlystatus: Promise<ChildStatus>Get the status of the child. readonlystderr: ReadableStream<Uint8Array>readonlystdin: WritableStream<Uint8Array>readonlystdout: ReadableStream<Uint8Array>Methodskill(signo?: Signal): voidKills the process with given Signal. Defaults to SIGTERM. output(): Promise<SpawnOutput>Waits for the child to exit completely, returning all its output and status. ref(): voidunref(): void