syntax_data: {"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // but never resolved, causing the return value of a query to contain inference
context_before:         // Unused generic types or consts on an impl get replaced with inference vars,
context_after:         // vars. We do not have a concept for this and will in fact ICE in stable hashing