DeliveryReceiptRequest.addTo(Message)
DeliveryReceipt.from(Message)
DelayInformation.from(Stanza)
DeliveryReceiptRequest.from(Stanza)
MUCInitialPresence.from(Stanza)
MUCUser.from(Stanza)
GroupChatInvitation.from(Stanza)
ConfigureForm.isSubscribe()
VCardManager.isSupported(String)
VCardManager.loadVCard()
VCardManager.loadVCard(String)
VCardManager.saveVCard(VCard)
VCard.setAvatar(String, String)