read(decoder)
        }
        store.createValueStore(stateType, writer, reader)
    }

    private
    val previousValues = ConcurrentHashMap<K, BlockAddress>()

    private
    val currentValues = ConcurrentHashMap<K, CalculatedValueContainer<BlockAddress, *>>()

    protected
    abstract fun projectPathForKey(key: K): Path?

    protected
    abstract fun write(encoder: Encoder, value: V)

							Ref:         ref("k8s.io/apimachinery/pkg/apis/meta/v1.LabelSelector"),
						},
					},
					"currentValue": {
						SchemaProps: spec.SchemaProps{
							Description: "currentValue is the current value of the metric (as a quantity)",
							Ref:         ref("k8s.io/apimachinery/pkg/api/resource.Quantity"),
						},
					},

  // doesn't depends on any ops below it.
  std::stack<Operation*> op_stack;
  while (!value_queue.empty()) {
    Value current_value = value_queue.front();
    value_queue.pop();

    Operation* defining_node = current_value.getDefiningOp();
    if (defining_node == nullptr) continue;
    op_stack.push(defining_node);
    for (Value arg : defining_node->getOperands()) {