syntax_data: {"ast_node_type":"other","tokens":[{"end":21,"kind":"keyword","start":0,"text":"Some(Binder"}]}
source_snippet:         Some(Binder {
context_before:     fn lift_to_interner(self, cx: U) -> Option<Self::Lifted> {
context_after:             value: self.value.lift_to_interner(cx)?,