Bug 212497 Need api to get all referencable report item with cube
Need model provide new api to return all referencable report items for dataset or cube respectively. For instance: getAvailableDataSetBindingReferenceList(); getAvailableCubeBindingReferenceList(); also keep current api: getAvailableDataBindingReferenceList().
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ModuleHandle.java
* 
	 * @param module
	 *            module
	 */
	public ModuleHandle( Module module )
	{
		super( module );
	}
	/**
	 * Adds a new config variable.
	 * 
	 * @param configVar
	 *            the config variable
	 * @throws SemanticException
	 *             if the name is empty or the same name exists.
	 * 
	 */
	public void addConfigVariable( ConfigVariable configVar )
			throws SemanticException
	{
		ElementPropertyDefn propDefn = module
				.getPropertyDefn( CONFIG_VARS_PROP );
		if ( configVar != null && StringUtil.isBlank( configVar.getName( ) ) )
		{
			throw new PropertyValueException( getElement( ), propDefn,
					configVar,
					PropertyValueException.DESIGN_EXCEPTION_INVALID_VALUE );
		}
		if ( configVar != null &&
				findConfigVariable( configVar.getName( ) ) != null )