public void setSecret(@org.apache.thrift.annotation.Nullable java.nio.ByteBuffer secret) {
    this.secret = org.apache.thrift.TBaseHelper.copyBinary(secret);
  }
Returns true if field guid is set (has been assigned a value) and false otherwise
service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/THandleIdentifier.java