Kotlin Domain Specific Language using reflections, infix and aggregation

Main.kt

import com.google.gson.GsonBuilder
import kotlin.reflect.KMutableProperty
import kotlin.reflect.full.memberProperties

//Enum and properties to better infix semantic
private const val Terminal = 0
enum class LogTarget(val value: Int) {

    TERMINAL(0);

    companion object {
        fun fromInt(value: Int) = values().first { it.value == value }
    }
}

//Data classes
data class PersonalInfo(
    val name: String,
    val email: String,
    val phone: String,
    val cpf: String
)

data class Address(
    val cep: String,
    val uf: String,
    val city: String,
    val district: String,
    val street: String,
    val number: String? = null,
    val complement: String? = null
)

data class Account(
    var id: Int,
    var personalInfo: PersonalInfo? = null,
    var address: Address? = null
) {

    //Infix with reflection and aggregation
    infix fun<TEntity> add(field: TEntity) where TEntity : Any {
        Account::class.memberProperties
            .filter{ it.name.equals(field::class.simpleName, true) }
            .filterIsInstance<KMutableProperty<*>>()
            .forEach { it.setter.call(this, field) }
    }

    //Formatted json log
    infix fun logTo(target: Int) {
        val logTarget = LogTarget.fromInt(target)
        val gson = GsonBuilder().setPrettyPrinting().create()
        val json: String = gson.toJson(this)

        //Implement other targets
        when(logTarget) {
            LogTarget.TERMINAL -> println(json)
        }
    }
}

//Clean domain flow
fun main() {

    val account = Account(1)

    val personalInfo = PersonalInfo(
        name = "Jefferson Didi Silva",
        email = "didi@gmail.com",
        phone = "4002-8922",
        cpf = "000.000.000-00"
    )

    val address = Address(
        cep = "24466-970",
        uf = "RJ",
        city = "São Gonçalo",
        street = "Rod. Niterói - Manilha",
        district = "Boa Vista",
        number = "100"
    )

    account add personalInfo
    account add address
    account logTo Terminal
}