class Example(val `in`: String, val `cl ass`: String, val `valid`: Boolean) {
    override fun equals(other: Any?): Boolean {
        if (this === other) return true
        if (javaClass != other?.javaClass) return false

        other as Example

        if (`in` != other.`in`) return false
        if (`cl ass` != other.`cl ass`) return false
        if (`valid` != other.`valid`) return false

        return true
    }

    override fun hashCode(): Int {
        var result = `in`.hashCode()
        result = 31 * result + `cl ass`.hashCode()
        result = 31 * result + `valid`.hashCode()
        return result
    }
}