geopackage-sdk/src/main/java/mil/nga/geopackage/extension/style/FeatureStyleExtension.java
public void setIconDefault(String featureTable, long featureId, IconRow icon) {
        setIcon(featureTable, featureId, null, icon);
    }
public void setIconDefault(String featureTable, long featureId, IconRow icon) {
        setIcon(featureTable, featureId, null, icon);
    }
Set the default icon of the feature

@param featureTable feature table
@param featureId    feature id
@param icon         icon row