Used to specify driver-specific state information for the SubscriptionShim.
<subscriber-state> can be included inside of <init-params> in any <output> or <input> from the driver to Identity Manager, which instructs Identity Manager to store the contents on the DirXML-DriverStorage attribute of the DirXML-Driver object in eDirectory.
The <subscriber-state> stored in the DirXML-DriverStorage of the DirXML-Driver object is included in the <init-params> sent to SubscriptionShim.init() when a driver is started.
See <init-params>.
ANY
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ANY