class MailboxExecutorImpl implements MailboxExecutor {

	public boolean isIdle() {
		return mailboxProcessor.isDefaultActionUnavailable() && !mailbox.hasMail() && mailbox.getState().isAcceptingMails();
	}

	public  MailboxExecutorImpl(@Nonnull TaskMailbox mailbox, int priority, StreamTaskActionExecutor actionExecutor);
	public  MailboxExecutorImpl(@Nonnull TaskMailbox mailbox, int priority, StreamTaskActionExecutor actionExecutor, MailboxProcessor mailboxProcessor);

}