IGetParameterDefinitionTask parameterTask = getParameterDefinitionTask( design .getFileName( ) );
IGetParameterDefinitionTask parameterTask = getParameterDefinitionTask( design );
	public Collection getParameterHandles( IViewerReportDesignHandle design,			InputOptions options ) throws ReportServiceException	{		try		{			IGetParameterDefinitionTask parameterTask = getParameterDefinitionTask( design					.getFileName( ) );			if ( parameterTask == null )				throw new ReportServiceException( "Can not get parameter task." ); //$NON-NLS-1$			return parameterTask.getParameters( ).getContents( );		}		catch ( EngineException e )		{			throw new ReportServiceException( e.getLocalizedMessage( ) );		}	}