{"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"FileSourceRootInput::builder(source_root_id).durability(durability).new(db);"}]}
                    FileSourceRootInput::builder(source_root_id).durability(durability).new(db);
                let file_source_root =
                vacant.insert(file_source_root);