text: #ifndef TIRO_VM_OBJECT_SUPPORT_FWD_HPP
  #define TIRO_VM_OBJECT_SUPPORT_FWD_HPP
  
  namespace tiro::vm {
  
  template<typename LayoutType>
  struct LayoutTraits;
  
  struct TypeDesc;
  struct FunctionDesc;
  
  }; // namespace tiro::vm
  
  #endif // TIRO_VM_OBJECT_SUPPORT_FWD_HPP
  