KtOperationReferenceExpression(69,71): 'in'
  KaCallResolutionSuccess:
    call = KaSimpleFunctionCall:
      contextArgumentMapping = {}
      contextArguments = []
      dispatchReceiver = KaExplicitReceiverValue:
        expression = Foo()
        isSafeNavigation = false
        type = Foo
      extensionReceiver = null
      signature = KaFunctionSignature:
        receiverType = null
        returnType = kotlin.Boolean
        symbol = /Foo.contains(<dispatch receiver>: Foo, v: kotlin.Int): kotlin.Boolean
        valueParameters = [
          KaVariableSignature:
            name = v
            receiverType = null
            returnType = kotlin.Int
            symbol = v: kotlin.Int
            contextParameters = []
            callableId = null
        ]
        contextParameters = []
        callableId = /Foo.contains
      typeArgumentsMapping = {}
      valueArgumentMapping = {
        0 -> (KaVariableSignature:
          name = v
          receiverType = null
          returnType = kotlin.Int
          symbol = v: kotlin.Int
          contextParameters = []
          callableId = null)
      }