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ForSt fat jar with modifications specific for Apache Flink that contains .so files for linux32 and linux64 (glibc and musl-libc), jnilib files for Mac OSX, and a .dll for Windows x64.

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// Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
//  This source code is licensed under both the GPLv2 (found in the
//  COPYING file in the root directory) and Apache 2.0 License
//  (found in the LICENSE.Apache file in the root directory).

package org.forstdb;

/**
 * Callback interface provided to StatisticsCollector.
 * 
 * Thread safety:
 * StatisticsCollector doesn't make any guarantees about thread safety.
 * If the same reference of StatisticsCollectorCallback is passed to multiple
 * StatisticsCollector references, then its the responsibility of the
 * user to make StatisticsCollectorCallback's implementation thread-safe.
 *
 */
public interface StatisticsCollectorCallback {
  /**
   * Callback function to get ticker values.
   * @param tickerType Ticker type.
   * @param tickerCount Value of ticker type.
  */
  void tickerCallback(TickerType tickerType, long tickerCount);

  /**
   * Callback function to get histogram values.
   * @param histType Histogram type.
   * @param histData Histogram data.
  */
  void histogramCallback(HistogramType histType, HistogramData histData);
}