Bug 119603 [api][content assist] allow contributions to filter and sort proposals
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/PreferenceConstants.java
* A string value used by the named preference <code>REFACTOR_ERROR_PAGE_SEVERITY_THRESHOLD</code>.
	 * 
	 * @see #REFACTOR_ERROR_PAGE_SEVERITY_THRESHOLD
	 * @deprecated Use constant {@link org.eclipse.ltk.core.refactoring.RefactoringStatus#FATAL} 
	 */
	public static final String REFACTOR_FATAL_SEVERITY= "4"; 
	
	/**
	 * A string value used by the named preference <code>REFACTOR_ERROR_PAGE_SEVERITY_THRESHOLD</code>.
	 * 
	 * @see #REFACTOR_ERROR_PAGE_SEVERITY_THRESHOLD
	 * @deprecated Use constant {@link org.eclipse.ltk.core.refactoring.RefactoringStatus#ERROR} 
	 */	
	public static final String REFACTOR_ERROR_SEVERITY= "3"; 
	/**
	 * A string value used by the named preference <code>REFACTOR_ERROR_PAGE_SEVERITY_THRESHOLD</code>.
	 * 
	 * @see #REFACTOR_ERROR_PAGE_SEVERITY_THRESHOLD
	 * @deprecated Use constant {@link org.eclipse.ltk.core.refactoring.RefactoringStatus#WARNING} 
	 */
	public static final String REFACTOR_WARNING_SEVERITY= "2"; 
	/**
	 * A string value used by the named preference <code>REFACTOR_ERROR_PAGE_SEVERITY_THRESHOLD</code>.
	 * 
	 * @see #REFACTOR_ERROR_PAGE_SEVERITY_THRESHOLD
	 * @deprecated Use constant {@link org.eclipse.ltk.core.refactoring.RefactoringStatus#INFO} 
	 */
	public static final String REFACTOR_INFO_SEVERITY= "1"; 
	/**
	 * A string value used by the named preference <code>REFACTOR_ERROR_PAGE_SEVERITY_THRESHOLD</code>.