public com.alipay.sofa.jraft.entity.LocalFileMetaOutter.FileSource getSource() {
            com.alipay.sofa.jraft.entity.LocalFileMetaOutter.FileSource result = com.alipay.sofa.jraft.entity.LocalFileMetaOutter.FileSource
                .valueOf(source_);
            return result == null ? com.alipay.sofa.jraft.entity.LocalFileMetaOutter.FileSource.FILE_SOURCE_LOCAL
                : result;
        }
<code>optional .jraft.FileSource source = 2;</code>
jraft-core/src/main/java/com/alipay/sofa/jraft/entity/LocalFileMetaOutter.java