NamespaceURIs.XEP0045_MUC_ADMIN, new IqAdminItem(nickToGrant, null, newRole, newAffiliation)));
XMLElementBuilder builder = new XMLElementBuilder("query", NamespaceURIs.XEP0045_MUC_ADMIN).startInnerElement(
"item", NamespaceURIs.XEP0045_MUC_ADMIN).addAttribute("nick", nickToGrant);
if(newAffiliation != null) {
builder.addAttribute("affiliation", newAffiliation.toString());
}
if(newRole != null) {
builder.addAttribute("role", newRole.toString());
}
builder.endInnerElement();