@interface _PSMessagesPinningUtilities : NSObject + (id)actionTypeToString:(long long)a0; + (id)startOfDayForDate:(id)a0; + (id)chatGuidsFromSuggestions:(id)a0; + (id)dateToString:(id)a0; + (id)interactionMethodToString:(long long)a0; + (id)intersectionsOfActualPinnings:(id)a0 fromTopN:(unsigned long long)a1 suggestions:(id)a2; + (id)suggestionsToString:(id)a0; @end