System/Library/PrivateFrameworks/TextUnderstandingShared.framework

BurstTrieDictionary.h

NSObject
>
_PASCFBurstTrie

@interface BurstTrieDictionary : _PASCFBurstTrie <BurstTrieDictionaryProtocol>

- (unsigned int)payloadForString:(id)a0;
- (id)objectForKeyedSubscript:(id)a0;

@end