@org.apache.thrift.annotation.Nullable
  public java.util.Map<java.nio.ByteBuffer,java.nio.ByteBuffer> getAttributes() {
    return this.attributes;
  }
Returns true if field batchSize is set (has been assigned a value) and false otherwise
hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift2/generated/TScan.java