{"ast_node_type":"function","tokens":[{"end":80,"kind":"keyword","start":0,"text":"pub"}]}
    pub fn map(&self, range: TextRange) -> Option<(InFile<TextRange>, AttrId)> {
    /// Maps a [`TextRange`] relative to the documentation string back to its AST range
        let found = self.mapping.binary_search_by(|(probe, ..)| probe.ordering(range)).ok()?;