import java.util.concurrent.atomic.AtomicReference
import kotlin.reflect.KClass

/**
 * An immutable collection of key-value pairs implemented as a singly-linked list.
 *
 * Build up a collection by starting with [EmptyTags] and repeatedly calling [plus]. Each such call
 * returns a new instance.
 *
 * This collection is optimized for safe concurrent access over a very small number of elements.
 *

import kotlin.test.Test
import kotlin.test.assertFailsWith
import okhttp3.Headers.Companion.headersOf
import okhttp3.HttpUrl.Companion.toHttpUrl
import okhttp3.RequestBody.Companion.toRequestBody
import okhttp3.internal.EmptyTags

class RequestCommonTest {
  @Test
  fun constructorNormal() {
    val url = "https://example.com/".toHttpUrl()
    val body = "hello".toRequestBody()
    val headers = headersOf("User-Agent", "RequestTest")

import okhttp3.HttpUrl.Companion.toHttpUrl
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.RequestBody.Companion.asRequestBody
import okhttp3.RequestBody.Companion.toRequestBody
import okhttp3.internal.EmptyTags
import okio.Buffer
import okio.ByteString.Companion.decodeHex
import okio.ByteString.Companion.encodeUtf8
import okio.GzipSource
import okio.buffer
import okio.use
import org.junit.jupiter.api.Test