Bug 130492 Provide a method to serialize the report with library information.
Currently, when engine generate the report document file, the document does not contain any library information. That will cause many propblem on server side. Model should provide a method to serialize the report with library information to a stream so that the generated report document can contain all information that the report need.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/DesignElement.java
{
				( (DesignElement) iter.next( ) ).broadcast( ev, module );
			}
		}
	}
	/**
	 * Returns <code>true</code> if the element is within a child element
	 * which extends from another. Returns <code>false</code> otherwise. <br>
	 * <strong>Notice: </strong> <br>
	 * If the element is a virtual element, it must have defined a <code>
	 * baseId<code> which point to the ID of its virtual parent. 
	 * 
	 * @return Returns <code>true</code> if the element is within a child element
	 * which extends from another.
	 */
	public final boolean isVirtualElement( )
	{
		return baseId != NO_BASE_ID;
	}
	/**
	 * Copied the structure from the parent element to the element itself. Local
	 * properties of the contents will all be cleared.Please note that the
	 * containment relationship is kept while property values of the content
	 * elements are not copied.
	 * 
	 * @param module
	 *            the module
	 * 
	 * @return <code>true</code> if the refresh action is successful.
	 *         <code>false</code> othersize.