syntax_data: {"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":")"}]}
source_snippet:     ) -> (Option<Arc<SourceFile>>, usize, usize, usize, usize) {
context_before:         sp: Span,
context_after:         if self.files.borrow().source_files.is_empty() || sp.is_dummy() {