syntax_data: {"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"ReadGuard::map(self.files.borrow(),"}]}
source_snippet:         ReadGuard::map(self.files.borrow(), |files| &files.source_files)
context_before:     pub fn files(&self) -> MappedReadGuard<'_, monotonic::MonotonicVec<Arc<SourceFile>>> {
context_after:     }