Bug 180089 BIRT model - TOC predefined styles
In ROM we need to support predefined styles for TOC too. This will allow user to easily create a TOC style, by creating one of two styles. Suggestion i have is - TOC ( Applies to all TOC nodes ) - TOC-level1 ( If defined applies to first level toc nodes ) - TOC-level2 ........... - TOC-level5
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ModuleHandle.java
}
	/**
	 * Returns a cascading parameter group handle with the given group name
	 * 
	 * @param groupName
	 *            name of the cascading parameter group.
	 * @return a handle to the cascading parameter group. Returns
	 *         <code>null</code> if the cascading group with the given name is
	 *         not found.
	 */
	public CascadingParameterGroupHandle findCascadingParameterGroup(
			String groupName )
	{
		DesignElement element = module.findParameter( groupName );
		if ( element == null || !( element instanceof CascadingParameterGroup ) )
			return null;
		return (CascadingParameterGroupHandle) element.getHandle( element
				.getRoot( ) );
	}
	/**
	 * Returns a slot handle to work with the styles within the report. Note
	 * that the order of the styles within the slot is unimportant.
	 * 
	 * @return A handle for working with the styles.
	 */
	public SlotHandle getStyles( )
	{
		return getSlot( IReportDesignModel.STYLE_SLOT );
	}
	/**