-
- /* environment visitor interface. */
- virtual void environment_begin() = 0;
- virtual void visit(const environment_field<int64_t>& field) = 0;
- virtual void visit(const environment_field<const char *>& field) = 0;
- void visit(const environment_field<std::string>& field);
- virtual void environment_end() = 0;
-
- /* stream class visitor interface. */