method GPUSupportedFeatures.prototype.forEachforEach(callbackfn: (value: GPUFeatureName,value2: GPUFeatureName,set: Set<GPUFeatureName>,) => void, thisArg?: any): voidParameterscallbackfn: (value: GPUFeatureName,value2: GPUFeatureName,set: Set<GPUFeatureName>,) => voidoptionalthisArg: anyReturnsvoid