syntax_data: {"ast_node_type":"other","tokens":[{"end":22,"kind":"keyword","start":0,"text":"Ty::new_alias("}]}
source_snippet:         Ty::new_alias(
context_before:     fn new_projection_from_args(interner: I, def_id: I::DefId, args: I::GenericArgs) -> Self {
context_after:             interner,