import com.fasterxml.jackson.databind.ObjectMapper import com.fasterxml.jackson.module.kotlin.readValue import com.fasterxml.jackson.module.kotlin.registerKotlinModule import java.nio.file.Path val mapper = ObjectMapper() .registerKotlinModule() data class UserDto(val username: String, val password: String) val user: UserDto = mapper.readValue(Path.of("data.yml").toFile())