452     auto isValidSubgraphReference = [&subgraphs](const Operand& modelOperand) -> bool {  in validateOperations()  argument
453         NN_RET_CHECK(modelOperand.type == OperandType::SUBGRAPH)  in validateOperations()
454                 << "Unexpected operand type: " << toString(modelOperand.type);  in validateOperations()
455         NN_RET_CHECK_LT(modelOperand.location.offset, subgraphs.size())  in validateOperations()
459     auto getSubgraph = [&subgraphs](const Operand& modelOperand) -> const Subgraph* {  in validateOperations()  argument
460         CHECK_LT(modelOperand.location.offset, subgraphs.size());  in validateOperations()
461         return &subgraphs[modelOperand.location.offset];  in validateOperations()
463     auto getInputCount = [&getSubgraph](const Operand& modelOperand) -> uint32_t {  in validateOperations()  argument
464         return getSubgraph(modelOperand)->inputIndexes.size();  in validateOperations()
466     auto getOutputCount = [&getSubgraph](const Operand& modelOperand) -> uint32_t {  in validateOperations()  argument
467         return getSubgraph(modelOperand)->outputIndexes.size();  in validateOperations()
469     auto getInputOperand = [&getSubgraph](const Operand& modelOperand,  in validateOperations()
471         const Subgraph& subgraph = *getSubgraph(modelOperand);  in validateOperations()
475     auto getOutputOperand = [&getSubgraph](const Operand& modelOperand,  in validateOperations()  argument
477         const Subgraph& subgraph = *getSubgraph(modelOperand);  in validateOperations()