Construct a new observable outputs instance.
Private
_changePrivate
_changedPrivate
_isPrivate
_mapPrivate
_serializedPrivate
_stateReadonly
contentThe attachment content factory used by the model.
A signal emitted when the model changes.
Test whether the model is disposed.
The keys of the attachments in the model.
Get the length of the items in the model.
A signal emitted when the model state changes.
Private
_createCreate an attachment item and hook up its signals.
Private
_onPrivate
_onHandle a change to the list.
Get an item at the specified key.
Set the value at the specified key.
Serialize the model to JSON.
The default implementation of the IAttachmentsModel.