@classmethod
  def properties(cls):
    return set(cls._all_properties)
Return true if the given node is an element with the given
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/blobstore/blobstore.py/BlobInfo.properties--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/SOAPpy/wstools/Utility.py/DOM.isElement