@Override
    protected StructLike asStructLike(T row) {
      return asStructLike.apply(row);
    }
Abstract implementation of iceberg data reader consuming {@link MixedFileScanTask}.

@param <T> to indicate the record data type.
amoro-format-iceberg/src/main/java/org/apache/amoro/io/reader/AbstractUnkeyedDataReader.java