add
abstract fun addDocumentAfterVisibleDocument(@NonNull documentDescriptor: DocumentDescriptor): Boolean
Inserts a document after the current visible document. If the document already exists, it will not be added again or moved. This method is a no-op if no document is visible.
The document is not made visible by this method, use setVisibleDocument to make it visible.
Return
true when documents list has changed.
Parameters
document
Document to add.