Bug 119603 [api][content assist] allow contributions to filter and sort proposals
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/PreferenceConstants.java
public static final String EDITOR_FOLDING_PROVIDER= "editor_folding_provider"; 
	
	/**
	 * A named preference that stores the value for Javadoc folding for the default folding provider.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 * 
	 * @since 3.0
	 */
	public static final String EDITOR_FOLDING_JAVADOC= "editor_folding_default_javadoc"; 
	/**
	 * A named preference that stores the value for inner type folding for the default folding provider.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 * 
	 * @since 3.0
	 */
	public static final String EDITOR_FOLDING_INNERTYPES= "editor_folding_default_innertypes"; 
	/**
	 * A named preference that stores the value for method folding for the default folding provider.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 * 
	 * @since 3.0
	 */
	public static final String EDITOR_FOLDING_METHODS= "editor_folding_default_methods"; 
	/**