Bug 183733 Implement the IScriptOjectClassInfo to provide the class infromation to support the JS code assistant.
Engine should implement the IScriptObjectClassInfo interface to return the class information for script object.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ExecutionContext.java
}
	public String getParameterDisplayText( String name )
	{
		Object parameter = params.get( name );
		if ( parameter != null )
		{
			return ( (ParameterAttribute) parameter ).getDisplayText( );
		}
		return null;		
	}
	
	public void setParameterDisplayText( String name, String displayText )
	{
		Object parameter = params.get( name );
		if ( parameter != null )
		{
			( (ParameterAttribute) parameter ).setDisplayText( displayText );
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.executor.IFactoryContext#getConfigs()
	 */
	public Map getConfigs( )
	{
		return configs;
	}
	/*
	 * (non-Javadoc)