{"ast_node_type":"other","tokens":[{"end":15,"kind":"keyword","start":0,"text":")"}]}
    ) -> bool {
        sink: &mut dyn FnMut(EditionedFileId, FileReference) -> bool,
        // See https://github.com/rust-lang/rust-analyzer/pull/15864/files/e0276dc5ddc38c65240edb408522bb869f15afb4#r1389848845