ShareExtensionById.
        [Preview API]
        :param str extension_id:
        :param str account_name:

def share_extension_by_id(self, extension_id, account_name):
        """ShareExtensionById.
        [Preview API]
        :param str extension_id:
        :param str account_name:
        """
        route_values = {}
        if extension_id is not None:
            route_values['extensionId'] = self._serialize.url('extension_id', extension_id, 'str')
        if account_name is not None:
            route_values['accountName'] = self._serialize.url('account_name', account_name, 'str')
        self._send(http_method='POST',
                   location_id='1f19631b-a0b4-4a03-89c2-d79785d24360',
                   version='5.0-preview.1',
                   route_values=route_values)