fn registry_build_sink_inner(
build_box_log_sinker: impl BuildBoxLogSinkerTrait,
build_box_coordinator: impl BuildBoxCoordinatorTrait,
) -> TestSinkRegistryGuard
fn registry_build_sink_inner(
build_box_log_sinker: impl BuildBoxLogSinkerTrait,
build_box_coordinator: impl BuildBoxCoordinatorTrait,
) -> TestSinkRegistryGuard