@class NSString, PGGraphFeatureNodeCollection;

@interface PGMeaningfulEventTitleGenerator : PGDefaultCollectionTitleGenerator {
    NSString *_meaningLabel;
    BOOL _meaningIsReliable;
    PGGraphFeatureNodeCollection *_featureNodes;
}

- (id)_title;
- (void).cxx_destruct;
- (void)_generateTitleAndSubtitleWithResult:(id /* block */)a0;
- (id)_meaningLabelForTitle;
- (id)_timeTitle;
- (id)initWithCollection:(id)a0 meaningLabel:(id)a1 meaningIsReliable:(BOOL)a2 titleGenerationContext:(id)a3;
- (id)initWithCollection:(id)a0 meaningLabel:(id)a1 meaningIsReliable:(BOOL)a2 titleGenerationContext:(id)a3 featureNodes:(id)a4;

@end