forward decalaration for the TJsonValue

commit_hash:856a8b4b61af064aec80aa907e2784f9d4ffce61

3 files changed, 8 insertions, 6 deletions

diff --git a/library/cpp/json/writer/fwd.h b/library/cpp/json/writer/fwd.h
new file mode 100644
index 00000000000..752083547c7
--- /dev/null
+++ b/library/cpp/json/writer/fwd.h
@@ -0,0 +1,5 @@
+#pragma once
+
+namespace NJson {
+    class TJsonValue;
+} // namespace NJson
diff --git a/library/cpp/json/writer/json.h b/library/cpp/json/writer/json.h
index 4a6e0af8129..6e2f6c28f9c 100644
--- a/library/cpp/json/writer/json.h
+++ b/library/cpp/json/writer/json.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#include <library/cpp/json/writer/fwd.h>
+
 #include <util/generic/noncopyable.h>
 #include <util/generic/ptr.h>
 #include <util/generic/string.h>
@@ -8,10 +10,6 @@
 #include <util/stream/str.h>
 #include <util/string/cast.h>
 
-namespace NJson {
-    class TJsonValue;
-} // namespace NJson
-
 namespace NJsonWriter {
     enum EJsonEntity: ui8 {
         JE_OUTER_SPACE = 1,
diff --git a/library/cpp/json/writer/json_value.h b/library/cpp/json/writer/json_value.h
index ec919697dc7..6b20af7f4cb 100644
--- a/library/cpp/json/writer/json_value.h
+++ b/library/cpp/json/writer/json_value.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <library/cpp/json/writer/fwd.h>
 #include <library/cpp/json/common/defs.h>
 
 #include <util/generic/string.h>
@@ -23,8 +24,6 @@ namespace NJson {
         JSON_UINTEGER /* "UInteger" */
     };
 
-    class TJsonValue;
-
     class IScanCallback {
     public:
         virtual ~IScanCallback() = default;