Bug 119603 [api][content assist] allow contributions to filter and sort proposals
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/PreferenceConstants.java
public final static String CODEASSIST_ADDIMPORT= "content_assist_add_import"; 
	
	/**
	 * A named preference that controls if the Java code assist only inserts
	 * completions. If set to false the proposals can also _replace_ code.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 * @since 2.1
	 */
	public final static String CODEASSIST_INSERT_COMPLETION= "content_assist_insert_completion"; 	
	/**
	 * A named preference that controls whether code assist proposals filtering is case sensitive or not.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 */
	public final static String CODEASSIST_CASE_SENSITIVITY= "content_assist_case_sensitivity"; 
	
	/**
	 * A named preference that defines if code assist proposals are sorted in alphabetical order.
	 * <p>
	 * Value is of type <code>Boolean</code>. If <code>true</code> that are sorted in alphabetical 
	 * order. If <code>false</code> that are unsorted.
	 * </p>
	 */
	public final static String CODEASSIST_ORDER_PROPOSALS= "content_assist_order_proposals"; 
	/**
	 * A named preference that controls if argument names are filled in when a method is selected from as list
	 * of code assist proposal.