KtSuccessCallInfo:
  call = KtSimpleFunctionCall:
    isImplicitInvoke = true
    partiallyAppliedSymbol = KtPartiallyAppliedSymbol:
      dispatchReceiver = KtExplicitReceiverValue:
        expression = x
        isSafeNavigation = false
        type = kotlin.Function2<@R|kotlin.ParameterName|(name = String(a))  kotlin.Int, @R|kotlin.ParameterName|(name = String(b))  kotlin.String, kotlin.Unit>
      extensionReceiver = null
      signature = KtFunctionLikeSignature:
        receiverType = null
        returnType = kotlin.Unit
        symbol = kotlin/Function2.invoke(<dispatch receiver>: kotlin.Function2<P1, P2, R>, p1: P1, p2: P2): R
        valueParameters = [
          KtVariableLikeSignature:
            name = a
            receiverType = null
            returnType = @R|kotlin.ParameterName|(name = String(a))  kotlin.Int
            symbol = p1: P1
            callableIdIfNonLocal = null,
          KtVariableLikeSignature:
            name = b
            receiverType = null
            returnType = @R|kotlin.ParameterName|(name = String(b))  kotlin.String
            symbol = p2: P2
            callableIdIfNonLocal = null
        ]
        callableIdIfNonLocal = kotlin/Function2.invoke
    typeArgumentsMapping = {}
    argumentMapping = {
      1 -> (KtVariableLikeSignature:
        name = a
        receiverType = null
        returnType = @R|kotlin.ParameterName|(name = String(a))  kotlin.Int
        symbol = p1: P1
        callableIdIfNonLocal = null),
      "" -> (KtVariableLikeSignature:
        name = b
        receiverType = null
        returnType = @R|kotlin.ParameterName|(name = String(b))  kotlin.String
        symbol = p2: P2
        callableIdIfNonLocal = null)
    }