public void putToUpperBounds(java.lang.String key, java.nio.ByteBuffer val) {
    if (this.upperBounds == null) {
      this.upperBounds = new java.util.HashMap<java.lang.String,java.nio.ByteBuffer>();
    }
    this.upperBounds.put(key, val);
  }
Returns true if field recordCount is set (has been assigned a value) and false otherwise
amoro-common/src/main/gen-java/org/apache/amoro/api/DataFile.java