def update_from_dict(self, d):
        """
        Apply options from a serialized body to the current instance. Modifies
        the object in-place. Used mostly by ``from_dict``.
        """
        d = d.copy()
        if 'query' in d:
            self.query._proxied = Q(d.pop('query'))
        if 'post_filter' in d:
            self.post_filter._proxied = Q(d.pop('post_filter'))

        aggs = d.pop('aggs', d.pop('aggregations', {}))
        if aggs:
            self.aggs._params = {
                'aggs': {
                    name: A(value) for (name, value) in iteritems(aggs)}
            }
        if 'sort' in d:
            self._sort = d.pop('sort')
        if '_source' in d:
            self._source = d.pop('_source')
        if 'highlight' in d:
            high = d.pop('highlight').copy()
            self._highlight = high.pop('fields')
            self._highlight_opts = high
        if 'suggest' in d:
            self._suggest = d.pop('suggest')
            if 'text' in self._suggest:
                text = self._suggest.pop('text')
                for s in self._suggest.values():
                    s.setdefault('text', text)
        if 'script_fields' in d:
            self._script_fields = d.pop('script_fields')
        self._extra = d
        return self