[TArrayView](API\Runtime\Core\Containers\TArrayView)< uint8 > GetChunk ( const [FChunkKey](API\Runtime\Engine\FAudioChunkCache\FChunkKey) & InKey, const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FSoundWaveData](API\Runtime\Engine\Sound\FSoundWaveData) > & InSoundWavePtr, bool bBlockForLoadCompletion, bool bNeededForPlayback, uint64 & InOutCacheLookupID )