Bug 176450 Support link to CSS Feature(Model Part)
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/elements/ReportDesign.java
/**
	 * Gets the thumbnail image in Base64 encoding.
	 * 
	 * @return the thumbnail image in Base64 encoding
	 */
	public byte[] getThumbnail( )
	{
		String data = getStringProperty( this, THUMBNAIL_PROP );
		if ( data == null )
			return null;
		try
		{
			return data.getBytes( CHARSET );
		}
		catch ( UnsupportedEncodingException e )
		{
			assert false;
		}
		return null;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.core.Module#getOptions()
	 */
	public ModuleOption getOptions( )
	{
		return options;
	}
}