def METHOD_NAME(self, parent, content):
    """
    Append the specified L{content} to the I{parent}.
    @param parent: The parent node to append to.
    @type parent: L{Element}
    @param content: The content to append.
    @type content: L{Object}
    """
    log.debug('appending parent:\n%s\ncontent:\n%s', parent, content)
    if self.start(content):
        self.appender.METHOD_NAME(parent, content)
        self.end(parent, content)