Bug 184762 BIRT Model - Enhancments to the level defintion
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ModuleHandle.java
/**
	 * Returns a string array containing all the resource keys of user-defined
	 * translations for the report.
	 * 
	 * @return a string array containing message resource keys, return
	 *         <code>null</code> if there is no messages defined in the
	 *         design.
	 */
	public String[] getTranslationKeys( )
	{
		return getModule( ).getTranslationResourceKeys( );
	}
	/**
	 * Gets a list of translation defined on the report. The content of the list
	 * is the corresponding <code>TranslationHandle</code>.
	 * 
	 * @return a list containing TranslationHandles defined on the report or
	 *         <code>null</code> if the design has no any translations.
	 * 
	 * @see TranslationHandle
	 */
	public List getTranslations( )
	{
		List translations = getModule( ).getTranslations( );
		if ( translations == null )
			return null;
		List translationHandles = new ArrayList( );
		for ( int i = 0; i < translations.size( ); i++ )
		{
			translationHandles.add( ( (Translation) translations.get( i ) )