@interface FxSample : NSObject { struct FxSamplePriv { double x0; id x1; id x2; id x3; } *_priv; } + (id)_requiredSamplesForSamples:(id)a0; - (double)time; - (void)setTime:(double)a0; - (id)init; - (void)setStream:(id)a0; - (void)dealloc; - (id)context; - (id)stream; - (void)setContext:(id)a0; - (id)regionOfInterest; - (void)setRegionOfInterest:(id)a0; - (BOOL)isPredetermined; - (id)requiredSamples; - (id)domainOfDefinition; - (id)evaluateWithOptions:(id)a0; - (unsigned long long)fieldOrder; - (BOOL)supportsContextType:(int)a0; @end