code: def get_attribute_cardinality(attribute):
      
      if attribute.kind == RESOURCE_ATTRIBUTE_KINDS.MEMBER:
          card = CARDINALITY_CONSTANTS.ONE
      elif attribute.kind == RESOURCE_ATTRIBUTE_KINDS.COLLECTION:
          card = CARDINALITY_CONSTANTS.MANY
      else:
          raise ValueError('Can not determine cardinality for non-terminal '
                           'attributes.')
      return card
docs: Returns the cardinality of the given resource attribute.
  
      :returns: One of the constants defined in
        :class:`evererst.constants.CARDINALITY_CONSTANTS`.
      :raises ValueError: If the given attribute is not a relation attribute
        (i.e., if it is a terminal attribute).