@interface FISimpleHistogram : NSObject { unsigned long long _bucketCount; struct { long long x0; double x1; } *_buckets; } - (long long)numberOfValuesInBucketAtIndex:(unsigned long long)a0; - (id)descriptionArray; - (void)dealloc; - (void)addValue:(double)a0 toBucketAtIndex:(unsigned long long)a1; - (id)debugDescription; - (id)initWithNumberOfBuckets:(long long)a0; - (BOOL)isEqual:(id)a0; - (double)valueForBucketAtIndex:(unsigned long long)a0; - (long long)bucketCount; @end