@org.apache.amoro.shade.thrift.org.apache.thrift.annotation.Nullable
  public java.util.Iterator<BlockableOperation> getOperationsIterator() {
    return (this.operations == null) ? null : this.operations.iterator();
  }
Returns true if field blockerId is set (has been assigned a value) and false otherwise
amoro-common/src/main/gen-java/org/apache/amoro/api/Blocker.java