{"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"#[diag(ast_lowering_async_coroutines_not_supported,"}]}
#[diag(ast_lowering_async_coroutines_not_supported, code = E0727)]
#[derive(Diagnostic)]
pub(crate) struct AsyncCoroutinesNotSupported {