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
* of <code>ConfigVariableHandle</code>.
	 * <p>
	 * Note: The configure variable in library file will be hidden if the one
	 * with the same name appears in design file.
	 * 
	 * @return the iterator over all config variables.
	 * @see ConfigVariableHandle
	 */
	public Iterator configVariablesIterator( )
	{
		return getFilteredStructureList( CONFIG_VARS_PROP,
				ConfigVariable.NAME_MEMBER ).iterator( );
	}
	/**
	 * Returns the iterator over all structures of color palette. Each one is
	 * the instance of <code>CustomColorHandle</code>
	 * 
	 * @return the iterator over all structures of color palette.
	 * @see CustomColorHandle
	 */
	public Iterator customColorsIterator( )
	{
		return getStructureList( COLOR_PALETTE_PROP ).iterator( );
	}
	/**
	 * Drops a config variable.
	 * 
	 * @param name
	 *            config variable name
	 * @throws SemanticException