def update(self, iterable):
        """Add all the headers from the iterable to the set.

        :param iterable: updates the set with the items from the iterable.
        """
        inserted_any = False
        for header in iterable:
            key = header.lower()
            if key not in self._set:
                self._headers.append(header)
                self._set.add(key)
                inserted_any = True
        if inserted_any and self.on_update is not None:
            self.on_update(self)
Add all the headers from the iterable to the set.

        :param iterable: updates the set with the items from the iterable.
        
Solutions/CyberArkAudit/Data Connectors/.python_packages/lib/site-packages/azure/functions/_thirdparty/werkzeug/datastructures.py