text: #ifndef NAGA_JSISOLATEREGISTRY_H_
  #define NAGA_JSISOLATEREGISTRY_H_
  
  #include "Base.h"
  
  using JSIsolateRegistry = std::unordered_map<const v8::Isolate*, JSIsolate*>;
  
  void registerIsolate(const v8x::ProtectedIsolatePtr v8_isolate, JSIsolate* isolate);
  void unregisterIsolate(const v8x::ProtectedIsolatePtr v8_isolate);
  JSIsolate* lookupRegisteredIsolate(const v8::Isolate* v8_isolate);
  
  #endif