public void putToDownloadOptions(java.lang.String key, java.lang.String val) {
    if (this.downloadOptions == null) {
      this.downloadOptions = new java.util.HashMap<java.lang.String,java.lang.String>();
    }
    this.downloadOptions.put(key, val);
  }
Returns true if field format is set (has been assigned a value) and false otherwise
service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TDownloadDataReq.java