Bug 119603 [api][content assist] allow contributions to filter and sort proposals
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/PreferenceConstants.java
* using class <code>PreferenceConverter</code>
	 * </p>
	 * 
	 * @see org.eclipse.jface.resource.StringConverter
	 * @see org.eclipse.jface.preference.PreferenceConverter
	 * @since 3.1
	 */
	public static final String PROPERTIES_FILE_COLORING_KEY= IJavaColorConstants.PROPERTIES_FILE_COLORING_KEY;
	
	/**
	 * A named preference that controls whether keys in a properties file are rendered in bold.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 * 
	 * @since 3.1
	 */
	public static final String PROPERTIES_FILE_COLORING_KEY_BOLD= PROPERTIES_FILE_COLORING_KEY + EDITOR_BOLD_SUFFIX;
	/**
	 * A named preference that controls whether keys in a properties file are rendered in italic.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 * 
	 * @since 3.1
	 */
	public static final String PROPERTIES_FILE_COLORING_KEY_ITALIC= PROPERTIES_FILE_COLORING_KEY + EDITOR_ITALIC_SUFFIX;
	
	/**
	 * A named preference that controls whether keys in a properties file are rendered in strikethrough.