@Override
    public Void visitActivateTemplateInCluster(
        IActivateTemplateInClusterPlan activateTemplateInClusterPlan, StringBuilder stringBuilder) {
      stringBuilder
          .append(activateTemplateInClusterPlan.getActivatePath().getFullPath())
          .append(FIELD_SEPARATOR)
          .append(activateTemplateInClusterPlan.getTemplateSetLevel())
          .append(FIELD_SEPARATOR)
          .append(activateTemplateInClusterPlan.isAligned());
      return null;
    }
This class provides the ability to serialize the given SchemaRegionPlan into binary data as txt
format, which is used for MLogParser.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/logfile/visitor/SchemaRegionPlanTxtSerializer.java