private TSUnsetSchemaTemplateReq getTSUnsetSchemaTemplateReq(
      String prefixPath, String templateName) {
    TSUnsetSchemaTemplateReq request = new TSUnsetSchemaTemplateReq();
    request.setPrefixPath(prefixPath);
    request.setTemplateName(templateName);
    return request;
  }
@return All paths are using designated template.
iotdb-client/session/src/main/java/org/apache/iotdb/session/Session.java