syntax_data: {"ast_node_type":"function","tokens":[{"end":85,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn incr_comp_session_dir_opt(&self) -> Option<MappedReadGuard<'_, PathBuf>> {
context_after:         self.opts.incremental.as_ref().map(|_| self.incr_comp_session_dir())