ay
 be passed along the document pipeline. The information can contain extra
 arguments or infoset augmentations, for example PSVI. This additional
 information is identified by a String key.
 <p>
 <strong>Note:</strong>
 Methods that receive Augmentations are required to copy the information
 if it is to be saved for use beyond the scope of the method.
 The Augmentations content is volatile, and maybe modified by any method in
 any component in the pipeline. Therefore, methods passed this structure
 should