public List<MetaDataDTO> listAllMetaData() {
        return getMetaDataList("/meta-data/findAll", SEARCHED_METADATAS_TYPE_REFERENCE, v -> v);
    }
all meta data list.

@return List
shenyu-e2e/shenyu-e2e-client/src/main/java/org/apache/shenyu/e2e/client/admin/AdminClient.java