class SpecializedIntent : Intent
{
    constructor() : this(Intent())
    var field1 : Int = -1
        get()
        {
            if(field == -1)
                field = getIntExtra(FIELD_1, -1)
            return field
        }
        set(value)
        {
            field = value
            putExtra(FIELD_1, value)
        }
    constructor(other: Intent)
    {
        this.fillIn(other, 0)
    }

    companion object
    {
        val FIELD_1 = "country.package.name.FIELD_1"
    }
}