syntax_data: {"ast_node_type":"other","tokens":[{"end":34,"kind":"keyword","start":0,"text":"HygieneData::with(|data|"}]}
source_snippet:         HygieneData::with(|data| {
context_before:     pub fn hygienic_eq(self, other: SyntaxContext, expn_id: ExpnId) -> bool {
context_after:             let mut self_normalized = data.normalize_to_macros_2_0(self);