Bug 188027 PasteAction is diabled
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ModuleHandle.java
}
	/**
	 * Gets the slot handle to work with all cube elements within the report.
	 * 
	 * @return cube slot handle
	 */
	public abstract SlotHandle getCubes( );
	/**
	 * Returns a slot handle to work with the data sources within the report.
	 * Note that the order of the data sources within the slot is unimportant.
	 * 
	 * @return A handle for working with the data sources.
	 */
	public SlotHandle getDataSources( )
	{
		return getSlot( DATA_SOURCE_SLOT );
	}
	/**
	 * Returns the default units for the design. These are the units that are
	 * used for dimensions that don't explicitly specify units.
	 * 
	 * @return the default units for the design.
	 * @see org.eclipse.birt.report.model.api.metadata.DimensionValue
	 */
	public String getDefaultUnits( )
	{
		return module.getUnits( );
	}
	/**
	 * Sets the default units for the design. These are the units that are used