requireNonNull(subobject.getSubobjectType(), "Subobject type cannot be empty.");
final Label label = ((LabelCase) subobject.getSubobjectType()).getLabel();
final ByteBuf body = Unpooled.buffer();
requireNonNull(subobject.getSubobjectType(), "Subobject type cannot be empty.");
final Label label = ((LabelCase) subobject.getSubobjectType()).getLabel();
final ByteBuf body = Unpooled.buffer();