@RunWith(AndroidJUnit4.class)
public class OkHttpClientTest {
  @Test public void get() throws IOException {
    OkHttpClient client = new OkHttpClient();
    Request request = new Request.Builder()
        .url("https://google.com/robots.txt")
        .build();
    try (Response response = client.newCall(request).execute()) {
      assertEquals(200, response.code());
      assertEquals(Protocol.HTTP_2, response.protocol());
    }
  }

import okhttp3.Request
import okhttp3.Response

class AsynchronousGet {
  private val client = OkHttpClient()

  fun run() {
    val request =
      Request
        .Builder()
        .url("http://publicobject.com/helloworld.txt")
        .build()

    client.newCall(request).enqueue(
      object : Callback {
        override fun onFailure(
          call: Call,
          e: IOException,
        ) {

    val request = realChain.request
    val requestBody = request.body
    val sentRequestMillis = System.currentTimeMillis()

    var invokeStartEvent = true
    var responseBuilder: Response.Builder? = null
    var sendRequestException: IOException? = null
    val hasRequestBody = HttpMethod.permitsRequestBody(request.method) && requestBody != null

    server.enqueue(
      MockResponse
        .Builder()
        .body(
          Buffer()
            .write(ByteArray(responseBodySize)),
        ).throttleBody(64 * 1024, 125, MILLISECONDS) // 500 Kbps
        .build(),
    )
    server.enqueue(MockResponse(body = "."))

    val call = client.newCall(Request.Builder().url(server.url("/")).build())
    val response = call.execute()

        regA(builder);
        return builder;
    }

    protected void regA(AbstractAggregationBuilder<?> builder) {
        assertObjectNotNull("builder", builder);
        if (aggregationAggregationBuilderList == null) {
            aggregationAggregationBuilderList = new ArrayList<>();
        }
        aggregationAggregationBuilderList.add(builder);
    }

```java
HeldCertificate rootCertificate = new HeldCertificate.Builder()
    .certificateAuthority(1)
    .build();

HeldCertificate intermediateCertificate = new HeldCertificate.Builder()
    .certificateAuthority(0)
    .signedBy(rootCertificate)
    .build();

HeldCertificate serverCertificate = new HeldCertificate.Builder()
    .addSubjectAlternativeName("localhost")
    .signedBy(intermediateCertificate)

        private int terminateAfter = 0;

        public void build(SearchRequestBuilder builder) {
            if (explain != null) {
                builder.setExplain(explain);
            }
            if (minScore != null) {
                builder.setMinScore(minScore);
            }
            if (preference != null) {
                builder.setPreference(preference);
            }

        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setCrawler_Exists() {
        setCrawler_Exists(null);
    }

    public void setCrawler_Exists(ConditionOptionCall<ExistsQueryBuilder> opLambda) {
        ExistsQueryBuilder builder = regExistsQ("crawler");
        if (opLambda != null) {

	public final fun includeIPv6 (Z)Lokhttp3/dnsoverhttps/DnsOverHttps$Builder;
	public final fun post (Z)Lokhttp3/dnsoverhttps/DnsOverHttps$Builder;
	public final fun resolvePrivateAddresses (Z)Lokhttp3/dnsoverhttps/DnsOverHttps$Builder;
	public final fun resolvePublicAddresses (Z)Lokhttp3/dnsoverhttps/DnsOverHttps$Builder;
	public final fun systemDns (Lokhttp3/Dns;)Lokhttp3/dnsoverhttps/DnsOverHttps$Builder;

    public SortedMap<String, String> create(Entry<String, String>[] entries) {
      ImmutableSortedMap.Builder<String, String> builder = ImmutableSortedMap.naturalOrder();
      for (Entry<String, String> entry : entries) {
        checkNotNull(entry);
        builder.put(entry.getKey(), entry.getValue());
      }
      return builder.build();
    }
  }

  public static class ImmutableSortedMapCopyOfEntriesGenerator