{"ast_node_type":"function","tokens":[{"end":96,"kind":"keyword","start":0,"text":"pub(crate)"}]}
    pub(crate) fn add_dbg_loc(&mut self, file_id: FileId, line: u64, column: u64) -> SourceLoc {
impl FunctionDebugContext {
        let (index, _) = self.source_loc_set.insert_full((file_id, line, column));