syntax_data: {"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"AliasTerm"}]}
source_snippet:         AliasTerm { args: ty.args, def_id: ty.def_id, _use_alias_term_new_instead: () }
context_before:     fn from(ty: ty::AliasTy<I>) -> Self {
context_after:     }