@Override
  public void toStringClassDetails(StringBuilder sb) {
    sb.append(getClass().getSimpleName());
    sb.append(" (table=");
    sb.append(getTableName());
    sb.append(" snapshot=");
    sb.append(snapshot);
    sb.append(")");
  }
Set up monitor status if it is not created.
hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/RestoreSnapshotProcedure.java