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| <h1>JavaStream</h1><h3><span class="morelinks"><div>Related Doc: |
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| <span class="modifier"></span> |
| <span class="kind">def</span> |
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| <span class="symbol"> |
| <span class="name">filter</span><span class="params">(<span name="fn">fn: <a href="../api/functions/FilterFunction.html" class="extype" name="org.apache.gearpump.streaming.dsl.api.functions.FilterFunction">FilterFunction</a>[<span class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream.T">T</span>]</span>, <span name="description">description: <span class="extype" name="scala.Predef.String">String</span></span>)</span><span class="result">: <a href="" class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream">JavaStream</a>[<span class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream.T">T</span>]</span> |
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| <p class="shortcomment cmt">Only keep the messages that FilterFunction returns true.</p> |
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| <span class="name">@throws</span><span class="args">(<span> |
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| </li><li name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream#flatMap" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped"> |
| <a id="flatMap[R](fn:org.apache.gearpump.streaming.dsl.javaapi.functions.FlatMapFunction[T,R],description:String):org.apache.gearpump.streaming.dsl.javaapi.JavaStream[R]"></a> |
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| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">flatMap</span><span class="tparams">[<span name="R">R</span>]</span><span class="params">(<span name="fn">fn: <a href="functions/FlatMapFunction.html" class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.functions.FlatMapFunction">FlatMapFunction</a>[<span class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream.T">T</span>, <span class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream.flatMap.R">R</span>]</span>, <span name="description">description: <span class="extype" name="scala.Predef.String">String</span></span>)</span><span class="result">: <a href="" class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream">JavaStream</a>[<span class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream.flatMap.R">R</span>]</span> |
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| <p class="shortcomment cmt">FlatMap on stream</p> |
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| <a id="fold[A](fn:org.apache.gearpump.streaming.dsl.api.functions.FoldFunction[T,A],description:String):org.apache.gearpump.streaming.dsl.javaapi.JavaStream[A]"></a> |
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| <h4 class="signature"> |
| <span class="modifier_kind"> |
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| <a id="getClass():Class[_]"></a> |
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| <a id="groupBy[GROUP](fn:org.apache.gearpump.streaming.dsl.javaapi.functions.GroupByFunction[T,GROUP],parallelism:Int,description:String):org.apache.gearpump.streaming.dsl.javaapi.JavaStream[T]"></a> |
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| </span> |
| <span class="symbol"> |
| <span class="name">groupBy</span><span class="tparams">[<span name="GROUP">GROUP</span>]</span><span class="params">(<span name="fn">fn: <a href="functions/GroupByFunction.html" class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.functions.GroupByFunction">GroupByFunction</a>[<span class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream.T">T</span>, <span class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream.groupBy.GROUP">GROUP</span>]</span>, <span name="parallelism">parallelism: <span class="extype" name="scala.Int">Int</span></span>, <span name="description">description: <span class="extype" name="scala.Predef.String">String</span></span>)</span><span class="result">: <a href="" class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream">JavaStream</a>[<span class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream.T">T</span>]</span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.javaapi.JavaStream@groupBy[GROUP](fn:org.apache.gearpump.streaming.dsl.javaapi.functions.GroupByFunction[T,GROUP],parallelism:Int,description:String):org.apache.gearpump.streaming.dsl.javaapi.JavaStream[T]" title="Permalink" target="_top"> |
| <img src="../../../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">Group by a stream and turns it to a list of sub-streams.</p><div class="fullcomment"><div class="comment cmt"><p>Group by a stream and turns it to a list of sub-streams. Operations chained after |
| groupBy applies to sub-streams. |
| </p></div></div> |
| </li><li name="scala.AnyRef#hashCode" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="hashCode():Int"></a> |
| <a id="hashCode():Int"></a> |
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| <span class="modifier_kind"> |
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| </span> |
| <span class="symbol"> |
| <span class="name">hashCode</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Int">Int</span></span> |
| </span> |
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| </li><li name="scala.Any#isInstanceOf" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="isInstanceOf[T0]:Boolean"></a> |
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| <span class="modifier">final </span> |
| <span class="kind">def</span> |
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| <span class="name">isInstanceOf</span><span class="tparams">[<span name="T0">T0</span>]</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span> |
| </span> |
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| </li><li name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream#log" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped"> |
| <a id="log():Unit"></a> |
| <a id="log():Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">log</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
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| |
| </li><li name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream#map" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped"> |
| <a id="map[R](fn:org.apache.gearpump.streaming.dsl.api.functions.MapFunction[T,R],description:String):org.apache.gearpump.streaming.dsl.javaapi.JavaStream[R]"></a> |
| <a id="map[R](MapFunction[T,R],String):JavaStream[R]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">map</span><span class="tparams">[<span name="R">R</span>]</span><span class="params">(<span name="fn">fn: <a href="../api/functions/MapFunction.html" class="extype" name="org.apache.gearpump.streaming.dsl.api.functions.MapFunction">MapFunction</a>[<span class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream.T">T</span>, <span class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream.map.R">R</span>]</span>, <span name="description">description: <span class="extype" name="scala.Predef.String">String</span></span>)</span><span class="result">: <a href="" class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream">JavaStream</a>[<span class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream.map.R">R</span>]</span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.javaapi.JavaStream@map[R](fn:org.apache.gearpump.streaming.dsl.api.functions.MapFunction[T,R],description:String):org.apache.gearpump.streaming.dsl.javaapi.JavaStream[R]" title="Permalink" target="_top"> |
| <img src="../../../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">Map on stream</p> |
| </li><li name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream#merge" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped"> |
| <a id="merge(other:org.apache.gearpump.streaming.dsl.javaapi.JavaStream[T],parallelism:Int,description:String):org.apache.gearpump.streaming.dsl.javaapi.JavaStream[T]"></a> |
| <a id="merge(JavaStream[T],Int,String):JavaStream[T]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">merge</span><span class="params">(<span name="other">other: <a href="" class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream">JavaStream</a>[<span class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream.T">T</span>]</span>, <span name="parallelism">parallelism: <span class="extype" name="scala.Int">Int</span></span>, <span name="description">description: <span class="extype" name="scala.Predef.String">String</span></span>)</span><span class="result">: <a href="" class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream">JavaStream</a>[<span class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream.T">T</span>]</span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.javaapi.JavaStream@merge(other:org.apache.gearpump.streaming.dsl.javaapi.JavaStream[T],parallelism:Int,description:String):org.apache.gearpump.streaming.dsl.javaapi.JavaStream[T]" title="Permalink" target="_top"> |
| <img src="../../../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">Merges streams of same type together</p> |
| </li><li name="scala.AnyRef#ne" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="ne(x$1:AnyRef):Boolean"></a> |
| <a id="ne(AnyRef):Boolean"></a> |
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| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">ne</span><span class="params">(<span name="arg0">arg0: <span class="extype" name="scala.AnyRef">AnyRef</span></span>)</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span> |
| </span> |
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| </span> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef</dd></dl></div> |
| </li><li name="scala.AnyRef#notify" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="notify():Unit"></a> |
| <a id="notify():Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">notify</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
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| </li><li name="scala.AnyRef#notifyAll" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
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| <a id="notifyAll():Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">notifyAll</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
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| </li><li name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream#process" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped"> |
| <a id="process[R](processor:Class[_<:org.apache.gearpump.streaming.task.Task],parallelism:Int,conf:org.apache.gearpump.cluster.UserConfig,description:String):org.apache.gearpump.streaming.dsl.javaapi.JavaStream[R]"></a> |
| <a id="process[R](Class[_<:Task],Int,UserConfig,String):JavaStream[R]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">process</span><span class="tparams">[<span name="R">R</span>]</span><span class="params">(<span name="processor">processor: <span class="extype" name="scala.Predef.Class">Class</span>[_ <: <a href="../../task/Task.html" class="extype" name="org.apache.gearpump.streaming.task.Task">Task</a>]</span>, <span name="parallelism">parallelism: <span class="extype" name="scala.Int">Int</span></span>, <span name="conf">conf: <a href="../../../cluster/UserConfig.html" class="extype" name="org.apache.gearpump.cluster.UserConfig">UserConfig</a></span>, <span name="description">description: <span class="extype" name="scala.Predef.String">String</span></span>)</span><span class="result">: <a href="" class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream">JavaStream</a>[<span class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream.process.R">R</span>]</span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.javaapi.JavaStream@process[R](processor:Class[_<:org.apache.gearpump.streaming.task.Task],parallelism:Int,conf:org.apache.gearpump.cluster.UserConfig,description:String):org.apache.gearpump.streaming.dsl.javaapi.JavaStream[R]" title="Permalink" target="_top"> |
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| </a> |
| </span> |
| <p class="shortcomment cmt">Add a low level Processor to process messages</p> |
| </li><li name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream#reduce" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped"> |
| <a id="reduce(fn:org.apache.gearpump.streaming.dsl.api.functions.ReduceFunction[T],description:String):org.apache.gearpump.streaming.dsl.javaapi.JavaStream[T]"></a> |
| <a id="reduce(ReduceFunction[T],String):JavaStream[T]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">reduce</span><span class="params">(<span name="fn">fn: <a href="../api/functions/ReduceFunction.html" class="extype" name="org.apache.gearpump.streaming.dsl.api.functions.ReduceFunction">ReduceFunction</a>[<span class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream.T">T</span>]</span>, <span name="description">description: <span class="extype" name="scala.Predef.String">String</span></span>)</span><span class="result">: <a href="" class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream">JavaStream</a>[<span class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream.T">T</span>]</span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.javaapi.JavaStream@reduce(fn:org.apache.gearpump.streaming.dsl.api.functions.ReduceFunction[T],description:String):org.apache.gearpump.streaming.dsl.javaapi.JavaStream[T]" title="Permalink" target="_top"> |
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| </span> |
| <p class="shortcomment cmt">Does aggregation on the stream</p> |
| </li><li name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream#stream" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped"> |
| <a id="stream:org.apache.gearpump.streaming.dsl.scalaapi.Stream[T]"></a> |
| <a id="stream:Stream[T]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">val</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">stream</span><span class="result">: <a href="../scalaapi/Stream.html" class="extype" name="org.apache.gearpump.streaming.dsl.scalaapi.Stream">Stream</a>[<span class="extype" name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream.T">T</span>]</span> |
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| |
| </li><li name="scala.AnyRef#synchronized" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="synchronized[T0](x$1:=>T0):T0"></a> |
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| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
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| <span class="symbol"> |
| <span class="name">synchronized</span><span class="tparams">[<span name="T0">T0</span>]</span><span class="params">(<span name="arg0">arg0: ⇒ <span class="extype" name="java.lang.AnyRef.synchronized.T0">T0</span></span>)</span><span class="result">: <span class="extype" name="java.lang.AnyRef.synchronized.T0">T0</span></span> |
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| </li><li name="scala.AnyRef#toString" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="toString():String"></a> |
| <a id="toString():String"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
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| </span> |
| <span class="symbol"> |
| <span class="name">toString</span><span class="params">()</span><span class="result">: <span class="extype" name="java.lang.String">String</span></span> |
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| </li><li name="scala.AnyRef#wait" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
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| <h4 class="signature"> |
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| <span class="modifier">final </span> |
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| </span> |
| <span class="symbol"> |
| <span class="name">wait</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
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| <span class="name">@throws</span><span class="args">(<span> |
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| <span class="defval" name="classOf[java.lang.InterruptedException]">...</span> |
| </span>)</span> |
| |
| </dd></dl></div> |
| </li><li name="scala.AnyRef#wait" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="wait(x$1:Long,x$2:Int):Unit"></a> |
| <a id="wait(Long,Int):Unit"></a> |
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| <span class="symbol"> |
| <span class="name">wait</span><span class="params">(<span name="arg0">arg0: <span class="extype" name="scala.Long">Long</span></span>, <span name="arg1">arg1: <span class="extype" name="scala.Int">Int</span></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
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| <span class="name">@throws</span><span class="args">(<span> |
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| </span>)</span> |
| |
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| <span class="symbol"> |
| <span class="name">wait</span><span class="params">(<span name="arg0">arg0: <span class="extype" name="scala.Long">Long</span></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
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| <span class="name">@throws</span><span class="args">(<span> |
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| </span>)</span> |
| |
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| </li><li name="org.apache.gearpump.streaming.dsl.javaapi.JavaStream#window" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped"> |
| <a id="window(win:org.apache.gearpump.streaming.dsl.window.api.Windows):org.apache.gearpump.streaming.dsl.javaapi.JavaStream[T]"></a> |
| <a id="window(Windows):JavaStream[T]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
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