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<monitor mode="synchronous|asynchronous" capacity="int" ring.size="power of 2" proxy="bytecode|JDK" 
         wait.strategy="blocking|yielding|sleeping|backoff|spin|timeout"         
         blocking.timeout="nanoseconds" spin.timeout="nanoseconds" yield.timeout="nanoseconds" 
         phased.blocking.type="lock|sleep" timestamp="formatted|unformatted|none" pattern=".." 
         timezone="Java timezone">
   <appenders>  
      <appender.xxxx/>
      ... 
   </appenders>
</monitor>