2 files changed, 13 insertions, 4 deletions

diff --git a/src/kernel/NeKit/Json.h b/src/kernel/NeKit/Json.h
index c2143651..44db52ba 100644
--- a/src/kernel/NeKit/Json.h
+++ b/src/kernel/NeKit/Json.h
@@ -24,12 +24,12 @@
 
 namespace Kernel {
 /// ================================================================================
-/// @brief JSON object representation.
+/// @brief JSON Object type.
 /// ================================================================================
 template <typename CharKind = Char>
 class JsonObject final {
  public:
-  explicit JsonObject() : fUndefined(NO) {
+  JsonObject() : fUndefined(YES) {
     KBasicString<CharKind> key = KString(kNeJsonMaxLen);
     key += kNeJsonNullValue;
 
@@ -37,7 +37,7 @@ class JsonObject final {
     this->AsValue() = key;
   }
 
-  explicit JsonObject(SizeT lhsLen, SizeT rhsLen) : fUndefined(NO), fKey(lhsLen), fValue(rhsLen) {
+  JsonObject(SizeT lhsLen, SizeT rhsLen) : fUndefined(NO), fKey(lhsLen), fValue(rhsLen) {
     KBasicString<CharKind> key = KString(lhsLen);
     this->AsKey()              = key;
 
@@ -53,7 +53,7 @@ class JsonObject final {
   Bool& IsUndefined() { return fUndefined; }
 
  private:
-  Bool                   fUndefined;  // is this instance undefined?
+  Bool                   fUndefined{YES};  // is this instance undefined?
   KBasicString<CharKind> fKey;
   KBasicString<CharKind> fValue;
 
diff --git a/src/kernel/NeKit/TOML.h b/src/kernel/NeKit/TOML.h
index 3eaf5197..9249152b 100644
--- a/src/kernel/NeKit/TOML.h
+++ b/src/kernel/NeKit/TOML.h
@@ -7,11 +7,20 @@
 #pragma once
 
 #include <NeKit/Config.h>
+#include <NeKit/KString.h>
 
 namespace Kernel {
+/// \brief TOML Object Handle
 class TOMLObject final {
  public:
   explicit TOMLObject() = delete;
   ~TOMLObject()         = default;
+
+  STATIC TOMLObject kNull;
+
+ private:
+  Bool    fUndefined{YES};  // is this instance undefined?
+  KString fKey;
+  KString fValue;
 };
 }  // namespace Kernel
\ No newline at end of file