syntax_data: {"ast_node_type":"other","tokens":[{"end":39,"kind":"keyword","start":0,"text":"DefKind::Impl"}]}
source_snippet:         DefKind::Impl { of_trait } => {
context_before:         DefKind::InlineConst | DefKind::Closure | DefKind::SyntheticCoroutineBody => {}
context_after:             if of_trait {