Bug 176450 Support link to CSS Feature(Model Part)
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ThemeHandle.java
return getSlot( IThemeModel.STYLES_SLOT );
	}
	/**
	 * Returns the style with the given name.
	 * 
	 * @param name
	 *            the style name
	 * @return the corresponding style
	 */
	public StyleHandle findStyle( String name )
	{
		Theme theme = (Theme) getElement( );
		StyleElement style = theme.findStyle( name );
		if ( style == null )
			return null;
		return (StyleHandle) style.getHandle( getModule( ) );
	}
	/**
	 * Makes the unique style name in the given theme. The return name is based
	 * on <code>name</code>.
	 * 
	 * @param name
	 *            the style name
	 * @return the new unique style name
	 */
	String makeUniqueStyleName( String name )
	{
		assert this != null;
		SlotHandle styles = getStyles( );
		Set set = new HashSet( );