class_docstr: Register module load the registry according to the metrics in config.
  It is a member of DataCollector.
  The DataCollector collect the resource that need for Evaluator under the guidance of Register
code: def _build_register(self):
      for metric in self.metrics:
          metric_needs = metric_information[metric]
          for info in metric_needs:
              setattr(self, info, True)
  
file_path: RecBole/recbole/evaluator/register.py
imports: import inspect
  import sys
label_desc: Use image node_id 2 for calling the Register obj's underlying member method code with example usage: obj._build_register() without return types