@class NSString, NSObject; @protocol PMLTransformerProtocol; @interface SGConversationFlatteningTransformer : NSObject <PMLTransformerProtocol> { NSObject<PMLTransformerProtocol> *_perMessageTranformer; } @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (id)withPerMessageTransformer:(id)a0; - (void).cxx_destruct; - (BOOL)isEqual:(id)a0; - (id)initWithPerMessageTransformer:(id)a0; - (id)initWithPlist:(id)a0 chunks:(id)a1 context:(id)a2; - (BOOL)isEqualToConversationFlatteningTransformer:(id)a0; - (id)toPlistWithChunks:(id)a0; - (id)transform:(id)a0; @end