Fragment new Instance in Kotlin

ExampleFragment.kt

package org.rcgonzalezf.kotlin

import android.os.Bundle
import android.support.v4.app.Fragment

class ExampleFragment : Fragment() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
      // More logic here
    }

    companion object {
        private val PARAM = "PARAM"

        fun newInstance(param: Serializable): ExampleFragment {
            val args: Bundle = Bundle()
            args.putSerializable(PARAM, param)

            val fragment = ExampleFragment()
            fragment.arguments = args
            return fragment
        }
    }
}