code: def train(
      self,
      roles: List = None,
      provider: Optional[str] = None,
      version: Optional[str] = None,
      description=None,
  ):
      if roles is None:
          roles = []
  
      return self.stage(
          roles=roles,
          name=TRAIN.name,
          provider=provider,
          version=version,
          description=description,
      )
  
imports: import inspect
  import logging
  from typing import List, Optional
  from fate.components.core.essential import CROSS_VALIDATION, DEFAULT, PREDICT, TRAIN, Role, Stage
  from ._component_artifact import ArtifactDescribeAnnotation, ComponentArtifactDescribes
  from ._parameter import ComponentParameterDescribes, ParameterDescribeAnnotation
label_desc: Use image node_id 10 for calling the Component obj's underlying member method code with example usage: obj.train(roles, provider, version, description) and returns: self