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				|  |  |      type.googleapis.com
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				|  |  |  
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				|  |  |    C++ (Beta)
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				|  |  | -  * Improved hash maps. TODO(gpike)
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				|  |  | +  * Improved hash maps.
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				|  |  | +      - Improved hash maps comments. In particular, please note that equal hash
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				|  |  | +        maps will not necessarily have the same iteration order and
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				|  |  | +        serialization.
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				|  |  | +      - Added a new hash maps implementation that will become the default in a
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				|  |  | +        later release.
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				|  |  |    * Arenas
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				|  |  |        - Several inlined methods in Arena were moved to out-of-line to improve
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				|  |  |          build performance and code size.
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