{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"UnexpectedSelfInGenericParameters,"}]}
    UnexpectedSelfInGenericParameters, WhereClauseBeforeTupleStructBody,
    self, MultipleWhereClauses, UnexpectedDefaultValueForLifetimeInGenericParameters,
    WhereClauseBeforeTupleStructBodySugg,