#cases [{output #err <mismatch type>
         select path-type}
        {output #err <invalid value>
         select negative-index}
        {output #err <invalid value>
         select escaped-token}
        {output #err <mismatch type>
         select map-index}
        {output #err <mismatch type>
         select list-key}
        {output #err <mismatch type>
         select scalar-intermediate}
        {output #err <arity mismatch>
         select missing}
        {output #err <arity mismatch>
         select missing-path}
        {output #err <arity mismatch>
         select extra}]