KtSuccessCallInfo:
  call = KtCompoundArrayAccessCall:
    compoundAccess = CompoundAssign:
      kind = PLUS_ASSIGN
      operand = 1
      operationPartiallyAppliedSymbol = KtPartiallyAppliedSymbol:
        dispatchReceiver = KtExplicitReceiverValue:
          expression = m["a"]
          isSafeNavigation = false
        extensionReceiver = null
        signature = KtFunctionLikeSignature:
          receiverType = null
          returnType = kotlin.Int
          symbol = kotlin/Int.plus(<dispatch receiver>: kotlin.Int, other: kotlin.Int): kotlin.Int
          valueParameters = [
            KtVariableLikeSignature:
              name = other
              receiverType = null
              returnType = kotlin.Int
              symbol = other: kotlin.Int
          ]
    getPartiallyAppliedSymbol = KtPartiallyAppliedSymbol:
      dispatchReceiver = KtExplicitReceiverValue:
        expression = m
        isSafeNavigation = false
      extensionReceiver = null
      signature = KtFunctionLikeSignature:
        receiverType = null
        returnType = kotlin.Int
        symbol = /MyMap.get(<dispatch receiver>: MyMap<K1, V1>, k: K1): V1
        valueParameters = [
          KtVariableLikeSignature:
            name = k
            receiverType = null
            returnType = kotlin.String
            symbol = k: K1
        ]
    indexArguments = [
      "a"
    ]
    setPartiallyAppliedSymbol = KtPartiallyAppliedSymbol:
      dispatchReceiver = KtImplicitReceiverValue:
        symbol = KtNamedClassOrObjectSymbol:
          annotationsList: []
          classIdIfNonLocal: Foo
          classKind: INTERFACE
          companionObject: null
          isData: false
          isExternal: false
          isFun: false
          isInline: false
          isInner: false
          modality: ABSTRACT
          name: Foo
          origin: SOURCE
          superTypes: [
            kotlin/Any
          ]
          symbolKind: TOP_LEVEL
          typeParameters: []
          visibility: Public
      extensionReceiver = KtExplicitReceiverValue:
        expression = m
        isSafeNavigation = false
      signature = KtFunctionLikeSignature:
        receiverType = MyMap<kotlin.String, kotlin.Int>
        returnType = kotlin.Unit
        symbol = /Foo.set(<extension receiver>: MyMap<K2, V2>, <dispatch receiver>: Foo, k: K2, v: V2): kotlin.Unit
        valueParameters = [
          KtVariableLikeSignature:
            name = k
            receiverType = null
            returnType = kotlin.String
            symbol = k: K2,
          KtVariableLikeSignature:
            name = v
            receiverType = null
            returnType = kotlin.Int
            symbol = v: V2
        ]