class ClientOperator implements ClientExpression<F> {

    protected String addStringOperand(ClientExpression operand) {
        StringBuilder result = new StringBuilder();
        result.append(operand == null ? ClientExpressions.MISSING_REPRESENTATION : operand.toString());
        return result.toString();
    }

    public  ClientOperator();
    public  ClientOperator(ClientOperation operator);
    public  ClientOperator(ClientOperation operator, List<? extends ClientExpression> operands);
    public  ClientOperator(ClientOperation operator, Boolean paren);
    protected  ClientOperator(ClientOperation operator, List<? extends ClientExpression> operands, Boolean paren);
    protected  ClientOperator(ClientOperator source);

}