{"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"self.diags_buffer.buffered_mut_errors.insert(span,"}]}
        self.diags_buffer.buffered_mut_errors.insert(span, (diag, count));
    pub(crate) fn buffer_mut_error(&mut self, span: Span, diag: Diag<'infcx>, count: usize) {
    }