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• Deprecate getXXX(String key, XXX defaultValue) and setXXX(String key, XXX value), except getString(String key, String defaultValue), setString(String key, String value), getBytes(String key, byte[] defaultValue), and setBytes(String key, byte[] bytes).
  
  • Discussed at this preview thread: https://lists.apache.org/thread/zzsf7glfcdjcjm1hfo1xdwc6jp37nb3m
• Update the comment in both getString(String key, String defaultValue) and , setString(String key, String value), getBytes(String key, byte[] defaultValue), and setBytes(String key, byte[] bytes) to encourage users to use ConfigOption.

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