syntax_data: {"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"self.print_value_path(def_id,"}]}
source_snippet:                     self.print_value_path(def_id, args)?;
context_before:                     write!(self, " {{")?;
context_after:                     write!(self, "}}")?;