This package contains library code for testing TraitsUI applications via
Other public modules are also part of the public API.
_ui_tester_registry contains internal implementations to support testing
TraitsUI UI and editors.
The only modules/packages that are specific about TraitsUI UI and editors are
_ui_tester_registry. The other modules are generic enough
to be used with GUI components external to TraitsUI. This allows extensions
beyond the scope of TraitsUI.