GetProcessByItsId.
        [Preview API] Get a single process of a specified ID.
        :param str process_type_id:
        :param str expand:
        :rtype: :class:`<ProcessInfo> <azure.devops.v5_0.work_item_tracking_process.models.ProcessInfo>`

def get_process_by_its_id(self, process_type_id, expand=None):
        """GetProcessByItsId.
        [Preview API] Get a single process of a specified ID.
        :param str process_type_id:
        :param str expand:
        :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')
        query_parameters = {}
        if expand is not None:
            query_parameters['$expand'] = self._serialize.query('expand', expand, 'str')
        response = self._send(http_method='GET',
                              location_id='02cc6a73-5cfb-427d-8c8e-b49fb086e8af',
                              version='5.0-preview.2',
                              route_values=route_values,
                              query_parameters=query_parameters)
        return self._deserialize('ProcessInfo', response)