{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"ConstraintCategory::Cast"}]}
            ConstraintCategory::Cast { is_implicit_coercion: true, .. } => "coercion ",
            ConstraintCategory::Cast { is_implicit_coercion: false, .. } => "cast ",
            ConstraintCategory::CallArgument(_) => "argument ",