new_contents: from astroid import MANAGER
  from astroid import scoped_nodes
  
  NDB_PROPERTIES = [
      'DateTimeProperty',
      'StringProperty',
      'KeyProperty',
      'StructuredProperty'
  ]
  
  
  def register(linter):
      pass
  
  
  def transform(modu):
      if modu.name == 'google.appengine.ext.ndb':
          for f in NDB_PROPERTIES:
              modu.locals[f] = [scoped_nodes.Class(f, None)]
  
  MANAGER.register_transform(scoped_nodes.Module, transform)
  
subject: Create gae_pylint_plugin.py