Bug 210507 Enhance Report engine to support multiple view
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/ir/Report.java
* queries used by this report.
	 * 
	 * @see org.eclipse.birt.report.engine.anlyzer.IQueryDefinition
	 */
	protected ArrayList queries = new ArrayList( );
	/**
	 * use to find the query IDs.(query, string) pair.
	 */
	protected HashMap queryIDs = new HashMap( );
	/**
	 * use to find the result MetaData.(query, ResultMetaData) pair.
	 */
	protected HashMap resultMetaData = new HashMap( );
	/**
	 * Page setup this report used
	 */
	protected PageSetupDesign pageSetup = new PageSetupDesign( );
	/**
	 * Report body
	 */
	protected ArrayList contents = new ArrayList( );
	protected Map namedExpressions;
	protected Map mapReportItemIDtoInstance;
	/*
	 * map report item to query
	 */
	protected HashMap mapReportItemToQuery;
	/*
	 * map query to report element handle
	 */