artemis-commons/src/main/java/org/apache/activemq/artemis/core/buffers/impl/ChannelBufferWrapper.java [379:386]:
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   public Long readNullableLong() {
      int b = readByte();
      if (b == DataConstants.NULL) {
         return null;
      } else {
         return readLong();
      }
   }
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artemis-core-client/src/main/java/org/apache/activemq/artemis/core/client/impl/LargeMessageControllerImpl.java [769:776]:
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   public Long readNullableLong() {
      int b = readByte();
      if (b == DataConstants.NULL) {
         return null;
      } else {
         return readLong();
      }
   }
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artemis-core-client/src/main/java/org/apache/activemq/artemis/core/client/impl/CompressedLargeMessageControllerImpl.java [407:414]:
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   public Long readNullableLong() {
      int b = readByte();
      if (b == DataConstants.NULL) {
         return null;
      } else {
         return readLong();
      }
   }
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