Support for (de)serializing config values (#1571)

Summary:
Pull Request resolved: https://github.com/facebook/yoga/pull/1571

X-link: https://github.com/facebook/react-native/pull/42750

tsia. This is state we need to capture as it can drastically affect the benchmark times

Reviewed By: NickGerleman

Differential Revision: D53203385

fbshipit-source-id: 47178458d039df90fb15d8a420f9e0f17e4fe6ca

capture/NodeToString.h

@@ -13,6 +13,14 @@
 
 namespace facebook::yoga {
 
-void nodeToString(std::string& str, YGNodeRef node, YGPrintOptions options);
+enum class PrintOptions : uint8_t {
+  Layout = 1 << 0,
+  Children = 1 << 1,
+  Style = 1 << 2,
+  Config = 1 << 3,
+};
+YG_DEFINE_ENUM_FLAG_OPERATORS(PrintOptions);
+
+void nodeToString(std::string& str, YGNodeRef node, PrintOptions options);
 
 } // namespace facebook::yoga