Bug 122635 [compiler pref page] Surface the 'Warning on assignments to parameters' new option into the user interface
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/OptionsConfigurationBlock.java
return curr;
			}
		}
		return null;		
	}
	
	protected Control findControl(Key key) {
		Combo comboBox= getComboBox(key);
		if (comboBox != null) {
			return comboBox;
		}
		Button checkBox= getCheckBox(key);
		if (checkBox != null) {
			return checkBox;
		}
		Text text= getTextControl(key);
		if (text != null) {
			return text;
		}
		return null;
	}
	
	protected void setComboEnabled(Key key, boolean enabled) {
		Combo combo= getComboBox(key);
		Label label= (Label) fLabels.get(combo);
		combo.setEnabled(enabled);
		label.setEnabled(enabled);
	}
}