code: def item_properties(self, handle):
          
          logger.debug("Getting properties for handle: {}".format(handle))
          properties = {
              'size_in_bytes': self.get_size_in_bytes(handle),
              'utc_timestamp': self.get_utc_timestamp(handle),
              'hash': self.get_hash(handle),
              'relpath': self.get_relpath(handle)
          }
          logger.debug("{} properties: {}".format(handle, properties))
          return properties
docs: Return properties of the item with the given handle.