public static com.alipay.sofa.jraft.entity.LocalStorageOutter.LocalSnapshotPbMeta.File getDefaultInstance() {
                return DEFAULT_INSTANCE;
            }
<code>optional .jraft.LocalFileMeta meta = 2;</code>
jraft-core/src/main/java/com/alipay/sofa/jraft/entity/LocalStorageOutter.java