KtSuccessCallInfo:
  call = KtSimpleFunctionCall:
    isImplicitInvoke = true
    partiallyAppliedSymbol = KtPartiallyAppliedSymbol:
      dispatchReceiver = null
      extensionReceiver = KtExplicitReceiverValue:
        expression = f
        isSafeNavigation = false
        type = Foo
      signature = KtFunctionLikeSignature:
        receiverType = Foo
        returnType = kotlin.Unit
        symbol = /invoke(<extension receiver>: Foo, t: T): kotlin.Unit
        valueParameters = [
          KtVariableLikeSignature:
            name = t
            receiverType = null
            returnType = kotlin.String
            symbol = t: T
            callableIdIfNonLocal = null
        ]
        callableIdIfNonLocal = /invoke
    typeArgumentsMapping = {
      T -> (kotlin.String)
    }
    argumentMapping = {
      "" -> (KtVariableLikeSignature:
        name = t
        receiverType = null
        returnType = kotlin.String
        symbol = t: T
        callableIdIfNonLocal = null)
    }