syntax_data: {"ast_node_type":"other","tokens":[{"end":22,"kind":"keyword","start":0,"text":"FreshFloatTy(u32),"}]}
source_snippet:     FreshFloatTy(u32),
context_before:     /// Like [`FreshTy`][Self::FreshTy], but as a replacement for [`FloatVar`][Self::FloatVar].
context_after: }