friend tensorflow::StatusOr<T> Cast(Handle handle);
};

/// @brief The `Object` class modeled after Python "objects".
///
/// An `Object` uses a TaggedValue dictionary to store its attributes. The
/// "__parent__" attribute is reserved.
class Object : public Handle {
 public:
  /// Constructs a handle that acts as an object.
  Object() : Handle(TaggedValue::Dict()) {}
  /// Retrieves the key of the object's parent.

            // as parentheses for the purpose of this analysis.
            is KtContainerNode ->
                // !!!!CAUTION!!!! Not `parentUse(parent.parent, _parent_)`
                // Here we assume the parent (e.g. If condition) statement
                // ignores the ContainerNode when accessing child
                doesParentUseChild(parent.parent, child)