public com.alipay.sofa.jraft.entity.LocalFileMetaOutter.LocalFileMeta.Builder getMetaBuilder() {
                    bitField0_ |= 0x00000002;
                    onChanged();
                    return getMetaFieldBuilder().getBuilder();
                }
<code>optional .jraft.LocalFileMeta meta = 2;</code>
jraft-core/src/main/java/com/alipay/sofa/jraft/entity/LocalStorageOutter.java