public com.alipay.sofa.jraft.entity.RaftOutter.SnapshotMeta getMeta() {
                if (metaBuilder_ == null) {
                    return meta_ == null ? com.alipay.sofa.jraft.entity.RaftOutter.SnapshotMeta.getDefaultInstance()
                        : meta_;
                } else {
                    return metaBuilder_.getMessage();
                }
            }
<code>optional .jraft.SnapshotMeta meta = 1;</code>
jraft-core/src/main/java/com/alipay/sofa/jraft/entity/LocalStorageOutter.java