src/main/java/org/pdf/forms/model/des/ButtonGroups.java
package org.pdf.forms.model.des;
import static java.util.stream.Collectors.toUnmodifiableList;
import java.util.List;
public interface ButtonGroups {
default List<String> getButtonGroupNames() {
return getProperty().stream()
.filter(p -> p.getName().equals("buttongroupname"))
.map(Property::getValue)
.collect(toUnmodifiableList());
}
List<Property> getProperty();
}