Bug 389229 Documentation of possible values/objects of property IDeviceRenderer.FILE_IDENTIFIER
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/device/IDeviceRenderer.java
IPrimitiveRenderer,
		IStructureDefinitionListener
{
	/**
	 * A property name that identifies a device-specific file identifier
	 */
	public static final String FILE_IDENTIFIER = "device.file.identifier"; 
	/**
	 * A property name that identifies an output format identifier
	 */
	public static final String FORMAT_IDENTIFIER = "device.output.format.identifier"; 
	/**