Bug 153933 [Dialogs] [RCP] Dialog.DLG_IMG_HELP not available in RCP apps
bundles/org.eclipse.jface/src/org/eclipse/jface/resource/JFaceResources.java
* @return the font
	 */
	public static Font getHeaderFont() {
		return getFontRegistry().get(HEADER_FONT);
	}
	/**
	 * Returns the descriptor for JFace's header font. Convenience method
	 * equivalent to
	 * 
	 * <pre>
	 * JFaceResources.getFontRegistry().get(JFaceResources.HEADER_FONT)
	 * </pre>
	 * 
	 * @return the font descriptor (never null)
	 * @since 3.3
	 */
	public static FontDescriptor getHeaderFontDescriptor() {
		return getFontRegistry().getDescriptor(HEADER_FONT);
	}
	/**
	 * Returns the image in JFace's image registry with the given key, or
	 * <code>null</code> if none. Convenience method equivalent to
	 * 
	 * <pre>
	 * JFaceResources.getImageRegistry().get(key)
	 * </pre>
	 * 
	 * @param key
	 *            the key
	 * @return the image, or <code>null</code> if none