'Create or replace an entire configuration datastore with the contents of another complete
configuration datastore.
:source: is the name of the configuration datastore to use as the source of the
copy operation or `config` element containing the configuration subtree to copy
:target: is the name of the configuration datastore to use as the destination of the copy operation'

@ensure_connected
def copy_config(self, *args, **kwargs):

    return self.m.copy_config(*args, **kwargs).data_xml
