{"ast_node_type":"other","tokens":[{"end":30,"kind":"keyword","start":0,"text":")"}]}
) -> Vec<(WorkItem<B>, u64)> {
    import_only_modules: Vec<(SerializedModule<B::ModuleBuffer>, WorkProduct)>,
    let _prof_timer = cgcx.prof.generic_activity("codegen_thin_generate_lto_work");