# LibTmux::Async::Server#diagnostics

- **Module:** LibTmux::Async
- **Package:** libtmux-async
- **Language:** Ruby
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-ruby/blob/46474e8a2f03e39fc2b0ff73b6a841777b79c4d2/gems/libtmux-async/lib/libtmux/async/server.rb#L23
- **Page:** https://libtmux.org/en/ruby/v0.1.2/reference/libtmux-async-server-diagnostics/

```
def diagnostics: () -> ::LibTmux::Async::scope_diagnostics
```

Scope counters remain readable after this facade closes its scope.

Behavior contract: Diagnostics.