syntax_data: {"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"ClauseKind::WellFormed(data)"}]}
source_snippet:             ClauseKind::WellFormed(data) => write!(f, "WellFormed({data:?})"),
context_before:             ClauseKind::Projection(pair) => pair.fmt(f),
context_after:             ClauseKind::ConstEvaluatable(ct) => {