Java To Kotlin Conversion. Step 6. Polish After

J2K_6_After.kt

class NonLazyDemoAdapter internal constructor(
    fm: FragmentManager
) : FragmentStatePagerAdapter(fm) {

    internal data class FragmentBundle(
        @SerializedName("id") // caller side now can be refactored to use property, not JvmField
        var id: Int,
        @SerializedName("name")
        var name: String
    ) : Serializable
    
    companion object {
        @JvmStatic
        fun createAdapter(fm: FragmentManager): NonLazyDemoAdapter = NonLazyDemoAdapter(fm)
    }

    private val pages = arrayOf(SomePage.FIRST, SomePage.SECOND)
    private val cachedFragments by lazy {
        pages.mapIndexed { i, page -> PageFragment.newInstance(page, FragmentBundle(i, pages.toString())) }
    }

    override fun getItem(position: Int): Fragment = cachedFragments[position]

    override fun getCount(): Int = cachedFragments.size
}