text: #ifndef STRBLOBPTRPTR_H_
  #define STRBLOBPTRPTR_H_
  
  #include "StrBlobPtr.h"
  
  class StrBlobPtrPtr {
  public:
      StrBlobPtrPtr() = default;
      StrBlobPtrPtr(StrBlobPtr *p): pointer(p) { }
  
      StrBlobPtr &operator*() const
          { return *pointer; }
      StrBlobPtr *operator->() const
          { return pointer; }
  private:
      StrBlobPtr pointer = nullptr;
  };
  