class Mailboximport { Mailbox } from "https://deno.land/x/xstate@xstate%405.9.1/src/Mailbox.ts"; ConstructorsnewMailbox(_process: (ev: T) => void)Type ParametersTPropertiesprivate_active: booleanprivate_current: MailboxItem<T> | nullprivate_last: MailboxItem<T> | nullMethodsprivateflush()clear(): voidenqueue(event: T): voidstart()