{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"|stashed_diagnostics|"}]}
            |stashed_diagnostics| stashed_diagnostics.swap_remove(&span.with_parent(None)),
        let (diag, guar) = self.inner.borrow_mut().stashed_diagnostics.get_mut(&key).and_then(
        )?;