import kotlin.reflect.jvm.*
import kotlin.test.assertEquals

fun box(): String {
    val f = J::foo
    assertEquals(
            listOf(J::class.java, IntArray::class.java, Array<Any>::class.java, Integer::class.java),
            f.parameters.map { it.type.javaType }
    )
    assertEquals(String::class.java, f.returnType.javaType)

    assertEquals("01A2", f.call(J(0), intArrayOf(1), arrayOf("A"), 2))

    return "OK"
}