syntax_data: {"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // For associated items on traits it prints out the trait's name and the associated item's name.
context_before:     // Given a `DefId`, produce a short name. For types and traits, it prints *only* its name,
context_after:     // For enum variants, if they have an unique name, then we only print the name, otherwise we