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

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

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

    return "OK"
}