syntax_data: {"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // unconstrained type variable. In that case, we'll get a
context_before:         // for example, we are looking for `$0: Eq` where `$0` is some
context_after:         // candidate which assumes $0 == int, one that assumes `$0 ==