def METHOD_NAME(self, body):
    """
    Process the specified soap envelope body and replace I{multiref} node
    references with the contents of the referenced node.
    @param body: A soap envelope body node.
    @type body: L{Element}
    @return: The processed I{body}
    @rtype: L{Element}
    """
    self.nodes = []
    self.catalog = {}
    self.build_catalog(body)
    self.update(body)
    body.children = self.nodes
    return body