{"ast_node_type":"function","tokens":[{"end":91,"kind":"keyword","start":0,"text":"///"}]}
    /// [RecoverReturnSign::Yes] allows for recovering `fn foo() => u8` and `fn foo(): u8`,
impl RecoverReturnSign {
    /// [RecoverReturnSign::OnlyFatArrow] allows for recovering only `fn foo() => u8` (recovering