public UnconditionalDerefParamProperty combine(UnconditionalDerefParamProperty sourceProperty, UnconditionalDerefParamProperty targetProperty) {
public UnconditionalDerefProperty combine(UnconditionalDerefProperty sourceProperty, UnconditionalDerefProperty targetProperty) {
			public UnconditionalDerefParamProperty combine(UnconditionalDerefParamProperty sourceProperty, UnconditionalDerefParamProperty targetProperty) {				// Take the union of unconditional deref param sets.				UnconditionalDerefParamProperty prop = new UnconditionalDerefParamProperty();				prop.setUnconditionalDerefParamSet(sourceProperty.getUnconditionalDerefParamSet() | targetProperty.getUnconditionalDerefParamSet());				return prop;			}