}
}
Control control = (Control) fProviderControls.get(id);
if (control == null) {
control = prefs.createControl(fGroup);
if (control == null) {
String message = PHPUIMessages.FoldingConfigurationBlock_info_no_preferences;
control = new ErrorPreferences(message).createControl(fGroup);
} else {
fProviderControls.put(id, control);