Register an implementation of this interface into global lookup (META-INF/services/org.netbeans.modules.vmd.api.model.AccessControllerFactory file).
Registered factories are called for creating AccessControllers for each DesignDocument.
author: David Kaspar
Factory method for creating AccessController.
NOTE: It is called when a DesignDocument is creating, do not perform any action which may call/use DesignDocument since the document is not initialized yet.
Parameters: document - the document the access controller