@interface BWPreviewHistogramNode : BWNode { BOOL _ispHistogramDownsamplingEnabled; } @property (nonatomic) BOOL msrHistogramsEnabled; @property (nonatomic) BOOL ispHistogramsEnabled; + (void)initialize; - (id)init; - (void)renderSampleBuffer:(struct opaqueCMSampleBuffer { } *)a0 forInput:(id)a1; - (id)nodeType; - (id)nodeSubType; @end