fun createConversion(type: KType): HLParameterConversion {
        val nullable = type.isMarkedNullable
        val kClass = type.classifier as KClass<*>
        return tryMapAllowedType(kClass)
            ?: tryMapPsiElementType(kClass)
            ?: tryMapFirTypeToKtType(kClass, nullable)
            ?: tryMapPlatformType(type, kClass)
            ?: error("Unsupported type $type, consider add corresponding mapping")
    }

                    val aType = a.getArgumentExpression()?.getKaType()
                    if (aType == null) {
                        errors.add("'${a.text}' has no type at ${a.positionString}")
                        super.visitCallExpression(expression)
                        return
                    }
                    val b = valueArguments[1]
                    val bType = b.getArgumentExpression()?.getKaType()