Gets the list of target containers associated with this AnnBatesStampComposer.
Object.defineProperty(AnnBatesStampComposer.prototype, 'targetContainers',
get: function()
)
The list of target containers associated with this AnnBatesStampComposer.
This list will contain number of containers that we want to apply the Bates stamps on.
For an example, refer to AnnBatesStampComposer.