public com.alipay.sofa.jraft.entity.LocalStorageOutter.LocalSnapshotPbMeta.File.Builder addFilesBuilder() {
                return getFilesFieldBuilder().addBuilder(
                    com.alipay.sofa.jraft.entity.LocalStorageOutter.LocalSnapshotPbMeta.File.getDefaultInstance());
            }
<code>repeated .jraft.LocalSnapshotPbMeta.File files = 2;</code>
jraft-core/src/main/java/com/alipay/sofa/jraft/entity/LocalStorageOutter.java