[inspector] introduced v8::debug::EntriesPreview for inspector

src/debug/debug-interface.h

Index: src/debug/debug-interface.h
diff --git a/src/debug/debug-interface.h b/src/debug/debug-interface.h
index b25ad905508c067dea9353a031ebc28924432d6e..8aa00db80007bbf45a95aaca70148dc6fb920496 100644
--- a/src/debug/debug-interface.h
+++ b/src/debug/debug-interface.h
@@ -178,6 +178,10 @@ void ResetBlackboxedStateCache(Isolate* isolate,
 
 int EstimatedValueSize(Isolate* isolate, v8::Local<v8::Value> value);
 
+v8::MaybeLocal<v8::Array> EntriesPreview(Isolate* isolate,
+                                         v8::Local<v8::Value> value,
+                                         bool* is_key_value);
+
 }  // namespace debug
 }  // namespace v8