{"ast_node_type":"function","tokens":[{"end":93,"kind":"keyword","start":0,"text":"pub(crate)"}]}
    pub(crate) fn buffer_mut_error(&mut self, span: Span, diag: Diag<'infcx>, count: usize) {
        self.diags_buffer.buffered_mut_errors.insert(span, (diag, count));