Bug 129144 Support suppressDuplicates property on table row in report engine
See 129143 for detail. This only needs to be supported for data item in a detail row of a table.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/ir/DataItemDesign.java
* @param key
	 *            resource key
	 * @param text
	 *            text content
	 */
	public void setHelpText( String key, String text )
	{
		this.helpTextKey = key;
		this.helpText = text;
	}
	/**
	 * get the help text property.
	 * 
	 * @return help text
	 */
	public String getHelpText( )
	{
		return this.helpText;
	}
	/**
	 * get the help text resource key property.
	 * 
	 * @return resource key of the help text
	 */
	public String getHelpTextKey( )
	{
		return this.helpTextKey;
	}
}