INSIGNIFICANT_INDEX, IPPDiagnostics.ISSUE__NOT_CLASSREF);
}
// -- the rhs expressions do not allow a full set of expressions, an extensive search must be made
// Note: queries must implement both IQuery and be UnaryExpressions
UnaryExpression q = (UnaryExpression) o.getQuery();
Expression queryExpr = q.getExpr();
// null expression is accepted, if stated it must comply with the simplified expressions allowed
// for a collect expression
if(queryExpr != null) {
CollectChecker cc = new CollectChecker();