{"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"dcx.emit_err(session_diagnostics::UnsupportedLiteral"}]}
            dcx.emit_err(session_diagnostics::UnsupportedLiteral {
        MetaItemKind::NameValue(lit) if !lit.kind.is_str() => {
                span: lit.span,