{"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"writeln!(fmt,"}]}
            writeln!(fmt, "Region interner: #{}", self.interners.region.len())?;
            writeln!(fmt, "GenericArgs interner: #{}", self.interners.args.len())?;
            writeln!(fmt, "Const Allocation interner: #{}", self.interners.const_allocation.len())?;