public ReadIndexRequest parsePartialFrom(com.google.protobuf.CodedInputStream input,
                                                                                                                             com.google.protobuf.ExtensionRegistryLite extensionRegistry)
                                                                                                                                                                                         throws com.google.protobuf.InvalidProtocolBufferException {
                                                                                        return new ReadIndexRequest(
                                                                                            input, extensionRegistry);
                                                                                    }
<code>optional .jraft.ReadOnlyType readOnlyOptions = 5;</code>
jraft-core/src/main/java/com/alipay/sofa/jraft/rpc/RpcRequests.java