{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"fmt::Debug::fmt(&self.anchor.file_id.file_id().index(),"}]}
        fmt::Debug::fmt(&self.anchor.file_id.file_id().index(), f)?;
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        f.write_char(':')?;