@Override
  public String toString() {
    return MoreObjects.toStringHelper(this)
        .add("insertTasks", FileScanTaskUtil.toString(insertScanTasks))
        .add("dataTreeNode", dataTreeNode.toString())
        .toString();
  }
A snapshot split generated during planning base table.
amoro-format-mixed/amoro-mixed-flink/amoro-mixed-flink-common/src/main/java/org/apache/amoro/flink/read/hybrid/split/SnapshotSplit.java