Bug 73337 New compiler option (COMPILER_PB_ENUM_IDENTIFIER) needs UI
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/CompilerConfigurationBlock.java
private Composite create15TabContent(TabFolder folder) {
		String[] errorWarningIgnore= new String[] { ERROR, WARNING, IGNORE };
		
		String[] errorWarningIgnoreLabels= new String[] {
			PreferencesMessages.getString("CompilerConfigurationBlock.error"),  
			PreferencesMessages.getString("CompilerConfigurationBlock.warning"), 
			PreferencesMessages.getString("CompilerConfigurationBlock.ignore") 
		};
			
		int nColumns= 3;
		
		GridLayout layout= new GridLayout();
		layout.numColumns= nColumns;
					
		Composite composite= new Composite(folder, SWT.NULL);
		composite.setLayout(layout);
		Label description= new Label(composite, SWT.WRAP);
		description.setText(PreferencesMessages.getString("CompilerConfigurationBlock.15.description")); 
		GridData gd= new GridData();
		gd.horizontalSpan= nColumns;
		description.setLayoutData(gd);
		
		String label= PreferencesMessages.getString("CompilerConfigurationBlock.pb_unsafe_type_op.label"); 
		addComboBox(composite, label, PREF_15_PB_UNSAVE_TYPE_OPERATION, errorWarningIgnore, errorWarningIgnoreLabels, 0);
		label= PreferencesMessages.getString("CompilerConfigurationBlock.pb_final_param_bound.label"); 
		addComboBox(composite, label, PREF_15_PB_FINAL_PARAM_BOUND, errorWarningIgnore, errorWarningIgnoreLabels, 0);
		return composite;
	}