{"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"#[diag(attr_parsing_rustc_allowed_unstable_pairing,"}]}
#[diag(attr_parsing_rustc_allowed_unstable_pairing, code = E0789)]
#[derive(Diagnostic)]
pub(crate) struct RustcAllowedUnstablePairing {