syntax_data: {"ast_node_type":"other","tokens":[{"end":46,"kind":"keyword","start":0,"text":"//"}]}
source_snippet: // impls in this crate for `Binder<I, I::Ty>`.
context_before: // FIXME: this is a distinct type because we need to define `Encode`/`Decode`
context_after: #[derive_where(Clone, Copy, PartialEq, Eq, Hash; I: Interner)]