+ @Override
+ public InputStream retrieveContactAvatar(final RecipientIdentifier.Single recipient) throws IOException, UnregisteredRecipientException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public InputStream retrieveProfileAvatar(final RecipientIdentifier.Single recipient) throws IOException, UnregisteredRecipientException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public InputStream retrieveGroupAvatar(final GroupId groupId) throws IOException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public InputStream retrieveSticker(final StickerPackId stickerPackId, final int stickerId) throws IOException {
+ throw new UnsupportedOperationException();
+ }
+