syntax_data: {"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"HygieneData::with(|data|"}]}
source_snippet:         HygieneData::with(|data| data.apply_mark(self, expn_id, transparency))
context_before:     pub fn apply_mark(self, expn_id: ExpnId, transparency: Transparency) -> SyntaxContext {
context_after:     }