VER_1 {
      global: 
              mono_*;
              GC_push_all_stack;
              GC_start_blocking;
              GC_end_blocking;
              gc_thread_vtable;
              __nacl_suspend_thread_if_needed;
              __nacl_thread_suspension_needed;
              nacl_mono_path;
      local:
              *;
};