public com.alipay.sofa.jraft.entity.LocalFileMetaOutter.LocalFileMetaOrBuilder getMetaOrBuilder() {
                return meta_ == null ? com.alipay.sofa.jraft.entity.LocalFileMetaOutter.LocalFileMeta
                    .getDefaultInstance() : meta_;
            }
<code>optional .jraft.LocalFileMeta meta = 2;</code>
jraft-core/src/main/java/com/alipay/sofa/jraft/entity/LocalStorageOutter.java