18 bool DefaultLayerSupport(
const char* func,
24 if (reasonIfUnsupported)
26 std::stringstream message;
27 message << func <<
" is not implemented [" << file <<
":" << line <<
"]";
29 reasonIfUnsupported.
value() = message.str();
44 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
52 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
60 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
68 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
80 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
88 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
97 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
105 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
111 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
118 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
125 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
132 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
140 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
150 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
157 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
165 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
175 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
182 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
195 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
205 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
213 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
241 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
248 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
256 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
263 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
273 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
281 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
290 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
298 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
304 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
312 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
320 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
329 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
337 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
345 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
359 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
367 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
375 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
397 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
413 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
421 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
429 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
435 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
443 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
451 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
459 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
466 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
474 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
481 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
494 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
505 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
512 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
520 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
528 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
535 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
543 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
550 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
558 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
566 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
574 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
582 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
589 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
593 const std::vector<std::reference_wrapper<TensorInfo>>&,
597 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
605 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
609 const std::vector<const TensorInfo*>&,
613 if (reasonIfUnsupported)
615 std::stringstream message;
616 message <<
"StandIn layer is not executable via backends";
618 reasonIfUnsupported.
value() = message.str();
629 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
637 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
646 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
656 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
664 return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
bool IsEqualSupported(const TensorInfo &input0, const TensorInfo &input1, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsInputSupported(const TensorInfo &input, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
UnaryOperation m_Operation
Specifies the elementwiseUnary operation to execute.
A ViewsDescriptor for the SplitterLayer.
bool IsQLstmSupported(const TensorInfo &input, const TensorInfo &previousOutputIn, const TensorInfo &previousCellStateIn, const TensorInfo &outputStateOut, const TensorInfo &cellStateOut, const TensorInfo &output, const QLstmDescriptor &descriptor, const LstmInputParamsInfo ¶msInfo, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
A TransposeConvolution2dDescriptor for the TransposeConvolution2dLayer.
bool IsPreluSupported(const TensorInfo &input, const TensorInfo &alpha, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported) const override
A ReshapeDescriptor for the ReshapeLayer.
bool IsDetectionPostProcessSupported(const TensorInfo &boxEncodings, const TensorInfo &scores, const TensorInfo &anchors, const TensorInfo &detectionBoxes, const TensorInfo &detectionClasses, const TensorInfo &detectionScores, const TensorInfo &numDetections, const DetectionPostProcessDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsMemImportSupported(const TensorInfo &input, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
#define ARMNN_NO_DEPRECATE_WARN_BEGIN
bool IsLogSoftmaxSupported(const TensorInfo &input, const TensorInfo &output, const LogSoftmaxDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
A ComparisonDescriptor for the ComparisonLayer.
bool IsTransposeSupported(const TensorInfo &input, const TensorInfo &output, const TransposeDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsQuantizeSupported(const TensorInfo &input, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsMultiplicationSupported(const TensorInfo &input0, const TensorInfo &input1, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsQuantizedLstmSupported(const TensorInfo &input, const TensorInfo &previousCellStateIn, const TensorInfo &previousOutputIn, const TensorInfo &cellStateOut, const TensorInfo &output, const QuantizedLstmInputParamsInfo ¶msInfo, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsLogicalBinarySupported(const TensorInfo &input0, const TensorInfo &input1, const TensorInfo &output, const LogicalBinaryDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
A Convolution2dDescriptor for the Convolution2dLayer.
bool IsAdditionSupported(const TensorInfo &input0, const TensorInfo &input1, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsDebugSupported(const TensorInfo &input, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsRsqrtSupported(const TensorInfo &input, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsActivationSupported(const TensorInfo &input, const TensorInfo &output, const ActivationDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsReduceSupported(const TensorInfo &input, const TensorInfo &output, const ReduceDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsMeanSupported(const TensorInfo &input, const TensorInfo &output, const MeanDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsArgMinMaxSupported(const TensorInfo &input, const TensorInfo &output, const ArgMinMaxDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsGatherSupported(const TensorInfo &input0, const TensorInfo &input1, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
A LogicalBinaryDescriptor for the LogicalBinaryLayer.
bool IsSpaceToBatchNdSupported(const TensorInfo &input, const TensorInfo &output, const SpaceToBatchNdDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsSoftmaxSupported(const TensorInfo &input, const TensorInfo &output, const SoftmaxDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsComparisonSupported(const TensorInfo &input0, const TensorInfo &input1, const TensorInfo &output, const ComparisonDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
Copyright (c) 2021 ARM Limited and Contributors.
bool IsStandInSupported(const std::vector< const TensorInfo *> &inputs, const std::vector< const TensorInfo *> &outputs, const StandInDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsDepthwiseConvolutionSupported(const TensorInfo &input, const TensorInfo &output, const DepthwiseConvolution2dDescriptor &descriptor, const TensorInfo &weights, const Optional< TensorInfo > &biases, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsL2NormalizationSupported(const TensorInfo &input, const TensorInfo &output, const L2NormalizationDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
A SpaceToDepthDescriptor for the SpaceToDepthLayer.
bool IsSliceSupported(const TensorInfo &input, const TensorInfo &output, const SliceDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsFakeQuantizationSupported(const TensorInfo &input, const FakeQuantizationDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
A BatchToSpaceNdDescriptor for the BatchToSpaceNdLayer.
virtual bool IsFillSupported(const TensorInfo &input, const TensorInfo &output, const FillDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsPreCompiledSupported(const TensorInfo &input, const PreCompiledDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsStridedSliceSupported(const TensorInfo &input, const TensorInfo &output, const StridedSliceDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
A ResizeDescriptor for the ResizeLayer.
A StackDescriptor for the StackLayer.
A PadDescriptor for the PadLayer.
bool IsSwitchSupported(const TensorInfo &input0, const TensorInfo &input1, const TensorInfo &output0, const TensorInfo &output1, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsMergerSupported(const std::vector< const TensorInfo *> inputs, const TensorInfo &output, const OriginsDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsAbsSupported(const TensorInfo &input, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsBatchToSpaceNdSupported(const TensorInfo &input, const TensorInfo &output, const BatchToSpaceNdDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsDivisionSupported(const TensorInfo &input0, const TensorInfo &input1, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
An LstmDescriptor for the LstmLayer.
#define ARMNN_NO_DEPRECATE_WARN_END
A L2NormalizationDescriptor for the L2NormalizationLayer.
An ArgMinMaxDescriptor for ArgMinMaxLayer.
An OriginsDescriptor for the ConcatLayer.
A ReduceDescriptor for the REDUCE operators.
bool IsPermuteSupported(const TensorInfo &input, const TensorInfo &output, const PermuteDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
A FullyConnectedDescriptor for the FullyConnectedLayer.
bool IsLogicalUnarySupported(const TensorInfo &input, const TensorInfo &output, const ElementwiseUnaryDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
A FakeQuantizationDescriptor for the FakeQuantizationLayer.
bool IsConvertFp32ToFp16Supported(const TensorInfo &input, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsElementwiseUnarySupported(const TensorInfo &input, const TensorInfo &output, const ElementwiseUnaryDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsConvertFp16ToFp32Supported(const TensorInfo &input, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
A GatherDescriptor for the GatherLayer.
A StandInDescriptor for the StandIn layer.
bool IsReshapeSupported(const TensorInfo &input, const TensorInfo &output, const ReshapeDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
A QLstmDescriptor for the QLstmLayer.
bool IsMergeSupported(const TensorInfo &input0, const TensorInfo &input1, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsStackSupported(const std::vector< const TensorInfo *> &inputs, const TensorInfo &output, const StackDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsSpaceToDepthSupported(const TensorInfo &input, const TensorInfo &output, const SpaceToDepthDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
An ActivationDescriptor for the ActivationLayer.
bool IsMemCopySupported(const TensorInfo &input, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsInstanceNormalizationSupported(const TensorInfo &input, const TensorInfo &output, const InstanceNormalizationDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
A SliceDescriptor for the SliceLayer.
bool IsRankSupported(const TensorInfo &input, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported) const override
bool IsTransposeConvolution2dSupported(const TensorInfo &input, const TensorInfo &output, const TransposeConvolution2dDescriptor &descriptor, const TensorInfo &weights, const Optional< TensorInfo > &biases, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
A SpaceToBatchNdDescriptor for the SpaceToBatchNdLayer.
bool IsPadSupported(const TensorInfo &input, const TensorInfo &output, const PadDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsMinimumSupported(const TensorInfo &input0, const TensorInfo &input1, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsConvertBf16ToFp32Supported(const TensorInfo &input, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsSplitterSupported(const TensorInfo &input, const ViewsDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
A ElementwiseUnaryDescriptor for the ElementwiseUnaryLayer.
bool IsConvolution2dSupported(const TensorInfo &input, const TensorInfo &output, const Convolution2dDescriptor &descriptor, const TensorInfo &weights, const Optional< TensorInfo > &biases, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsSubtractionSupported(const TensorInfo &input0, const TensorInfo &input1, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsLstmSupported(const TensorInfo &input, const TensorInfo &outputStateIn, const TensorInfo &cellStateIn, const TensorInfo &scratchBuffer, const TensorInfo &outputStateOut, const TensorInfo &cellStateOut, const TensorInfo &output, const LstmDescriptor &descriptor, const LstmInputParamsInfo ¶msInfo, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
A MeanDescriptor for the MeanLayer.
bool IsFloorSupported(const TensorInfo &input, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsConstantSupported(const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsNormalizationSupported(const TensorInfo &input, const TensorInfo &output, const NormalizationDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
A TransposeDescriptor for the TransposeLayer.
A StridedSliceDescriptor for the StridedSliceLayer.
bool IsFullyConnectedSupported(const TensorInfo &input, const TensorInfo &output, const TensorInfo &weights, const TensorInfo &biases, const FullyConnectedDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsOutputSupported(const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsResizeSupported(const TensorInfo &input, const TensorInfo &output, const ResizeDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsPooling2dSupported(const TensorInfo &input, const TensorInfo &output, const Pooling2dDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
A PreCompiledDescriptor for the PreCompiledLayer.
A Pooling2dDescriptor for the Pooling2dLayer.
A NormalizationDescriptor for the NormalizationLayer.
bool IsConvertFp32ToBf16Supported(const TensorInfo &input, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsMaximumSupported(const TensorInfo &input0, const TensorInfo &input1, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
An InstanceNormalizationDescriptor for InstanceNormalizationLayer.
bool IsDepthToSpaceSupported(const TensorInfo &input, const TensorInfo &output, const DepthToSpaceDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
A SoftmaxDescriptor for the SoftmaxLayer.
bool IsConcatSupported(const std::vector< const TensorInfo *> inputs, const TensorInfo &output, const OriginsDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsBatchNormalizationSupported(const TensorInfo &input, const TensorInfo &output, const TensorInfo &mean, const TensorInfo &var, const TensorInfo &beta, const TensorInfo &gamma, const BatchNormalizationDescriptor &descriptor, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsResizeBilinearSupported(const TensorInfo &input, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
bool IsGreaterSupported(const TensorInfo &input0, const TensorInfo &input1, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
A DepthwiseConvolution2dDescriptor for the DepthwiseConvolution2dLayer.
A FillDescriptor for the FillLayer.
A BatchNormalizationDescriptor for the BatchNormalizationLayer.
bool IsDequantizeSupported(const TensorInfo &input, const TensorInfo &output, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override
A PermuteDescriptor for the PermuteLayer.
bool IsDilatedDepthwiseConvolutionSupported(const TensorInfo &input, const TensorInfo &output, const DepthwiseConvolution2dDescriptor &descriptor, const TensorInfo &weights, const Optional< TensorInfo > &biases, Optional< std::string &> reasonIfUnsupported=EmptyOptional()) const override