{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":".on_sync_mut::<lsp_ext::MemoryUsage>(handlers::handle_memory_usage)"}]}
            .on_sync_mut::<lsp_ext::MemoryUsage>(handlers::handle_memory_usage)
            .on_sync_mut::<lsp_ext::RebuildProcMacros>(handlers::handle_proc_macros_rebuild)
            .on_sync_mut::<lsp_ext::RunTest>(handlers::handle_run_test)