docs: def freecpu(**kwargs):
      '''
      Return an int representing the number of unallocated cpus on this
      hypervisor
  
      :param connection: libvirt connection URI, overriding defaults
  
          .. versionadded:: 2019.2.0
      :param username: username to connect with, overriding defaults
  
          .. versionadded:: 2019.2.0
      :param password: password to connect with, overriding defaults
  
          .. versionadded:: 2019.2.0
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' virt.freecpu
      '''
      conn = __get_conn(**kwargs)
      cpus = _freecpu(conn)
      conn.close()
      return cpus