macros: add opaque macro

src/client.rs

@@ -10,13 +10,13 @@ use {
             wl_display::WlDisplay,
             wl_registry::WlRegistry,
             wl_surface::{WlSurface, commit_timeline::CommitTimelines},
+            xdg_activation_token_v1::ActivationToken,
         },
         leaks::Tracker,
         object::{Interface, Object, ObjectId, WL_DISPLAY_ID},
         security_context_acceptor::AcceptorMetadata,
         state::State,
         utils::{
-            activation_token::ActivationToken,
             asyncevent::AsyncEvent,
             buffd::{MsgFormatter, MsgParser, MsgParserError, OutBufferSwapchain},
             copyhashmap::{CopyHashMap, Locked},