def METHOD_NAME(self, content):
    """
    Perform final processing of the resulting data structure as follows:
      - Mixed values (children and text) will have a result of the I{content.node}.
      - Simi-simple values (attributes, no-children and text) will have a result of a
         property object.
      - Simple values (no-attributes, no-children with text nodes) will have a string
         result equal to the value of the content.node.getText().
    @param content: The current content being unmarshalled.
    @type content: L{Content}
    @return: The post-processed result.
    @rtype: I{any}
    """
    node = content.node
    if len(node.children) and node.hasText():
        return node
    attributes = AttrList(node.attributes)
    if attributes.rlen() and \
        not len(node.children) and \
        node.hasText():
            p = Factory.property(node.name, node.getText())
            return merge(content.data, p)
    if len(content.data):
        return content.data
    lang = attributes.lang()
    if content.node.isnil():
        return None
    if not len(node.children) and content.text is None:
        if self.nillable(content):
            return None
        else:
            return Text('', lang=lang)
    if isinstance(content.text, str):
        return Text(content.text, lang=lang)
    else:
        return content.text