public void setWrappedAlgorithm(Object algorithm) throws IllegalArgumentException {
public void setWrappedAlgorithm(Object algorithm) {
  public void setWrappedAlgorithm(Object algorithm)     throws IllegalArgumentException {        if (!(algorithm instanceof weka.filters.Filter)) {       throw new IllegalArgumentException(algorithm.getClass()+" : incorrect "					 +"type of algorithm (Filter)");    }    setFilter((weka.filters.Filter)algorithm);  }