3 import java.util.Collection;
4 import java.util.Iterator;
6 public interface FeaturesDisplayedI
9 Iterator<String> getVisibleFeatures();
11 boolean isVisible(String featureType);
13 boolean areVisible(Collection<String> featureTypes);
17 void setVisible(String featureType);
19 void setAllVisible(Collection<String> featureTypes);
21 boolean isRegistered(String type);
23 void setAllRegisteredVisible();
25 int getVisibleFeatureCount();
27 int getRegisterdFeaturesCount();