EditProcess.
        [Preview API] Edit a process of a specific ID.
        :param :class:`<UpdateProcessModel> <azure.devops.v5_0.work_item_tracking_process.models.UpdateProcessModel>` update_request:
        :param str process_type_id:
        :rtype: :class:`<ProcessInfo> <azure.devops.v5_0.work_item_tracking_process.models.ProcessInfo>`

def edit_process(self, update_request, process_type_id):
        """EditProcess.
        [Preview API] Edit a process of a specific ID.
        :param :class:`<UpdateProcessModel> <azure.devops.v5_0.work_item_tracking_process.models.UpdateProcessModel>` update_request:
        :param str process_type_id:
        :rtype: :class:`<ProcessInfo> <azure.devops.v5_0.work_item_tracking_process.models.ProcessInfo>`
        """
        route_values = {}
        if process_type_id is not None:
            route_values['processTypeId'] = self._serialize.url('process_type_id', process_type_id, 'str')
        content = self._serialize.body(update_request, 'UpdateProcessModel')
        response = self._send(http_method='PATCH',
                              location_id='02cc6a73-5cfb-427d-8c8e-b49fb086e8af',
                              version='5.0-preview.2',
                              route_values=route_values,
                              content=content)
        return self._deserialize('ProcessInfo', response)