require(inputNamesAndValues.size % 2 == 0) { "Expected alternating header names and values" }

  // Make a defensive copy and clean it up.
  val namesAndValues: Array<String> = arrayOf(*inputNamesAndValues)
  for (i in namesAndValues.indices) {
    require(namesAndValues[i] != null) { "Headers cannot be null" }
    namesAndValues[i] = inputNamesAndValues[i].trim()
  }

 */
object BuildEnvironment {

    /**
     * A selection of environment variables injected into the environment by the `codeql-env.sh` script.
     */
    private
    val CODEQL_ENVIRONMENT_VARIABLES = arrayOf(
        "CODEQL_JAVA_HOME",
        "CODEQL_EXTRACTOR_JAVA_SCRATCH_DIR",
        "CODEQL_ACTION_RUN_MODE",
        "CODEQL_ACTION_VERSION",
        "CODEQL_DIST",
        "CODEQL_PLATFORM",
        "CODEQL_RUNNER"

    } else {
      super.getSelectedProtocol(sslSocket)
    }

  override fun newSslSocketFactory(trustManager: X509TrustManager): SSLSocketFactory =
    newSSLContext()
      .apply {
        init(null, arrayOf<TrustManager>(trustManager), null)
      }.socketFactory

  companion object {
    val isSupported: Boolean =
      try {

        timeZone = UTC
      }
    }
  }

/** If we fail to parse a date in a non-standard format, try each of these formats in sequence. */
private val BROWSER_COMPATIBLE_DATE_FORMAT_STRINGS =
  arrayOf(
    // HTTP formats required by RFC2616 but with any timezone:
    // RFC 822, updated by RFC 1123 with any TZ.
    "EEE, dd MMM yyyy HH:mm:ss zzz",
    // RFC 850, obsoleted by RFC 1036 with any TZ.

  }

  @Test fun ofAcceptsEmptyValue() {
    val headers = headersOf("User-Agent", "")
    assertThat(headers.value(0)).isEqualTo("")
  }

  @Test fun ofMakesDefensiveCopy() {
    val namesAndValues =
      arrayOf(
        "User-Agent",
        "OkHttp",
      )
    val headers = headersOf(*namesAndValues)
    namesAndValues[1] = "Chrome"
    assertThat(headers.value(0)).isEqualTo("OkHttp")
  }

      newTrustManager(
        keystoreType,
        emptyList(),
        emptyList(),
      )
    val sslContext = get().newSSLContext()
    sslContext.init(
      arrayOf<KeyManager>(x509KeyManager),
      arrayOf<TrustManager>(trustManager),
      SecureRandom(),
    )
    return sslContext.socketFactory
  }

      init {
        val trustManager = trustManagerForCertificates(trustedCertificatesInputStream())
        val sslContext = SSLContext.getInstance("TLS")
        sslContext.init(null, arrayOf<TrustManager>(trustManager), null)
        val sslSocketFactory = sslContext.socketFactory

        client = OkHttpClient.Builder()
            .sslSocketFactory(sslSocketFactory, trustManager)
            .build()

      when {
        this === NONE -> return other
        this is AggregateEventListener -> this.eventListeners
        else -> arrayOf(this)
      }
    val right =
      when {
        other === NONE -> return this
        other is AggregateEventListener -> other.eventListeners
        else -> arrayOf(other)
      }

    return AggregateEventListener(left + right)
  }

  fun interface Factory {
    /**

  open fun newSslSocketFactory(trustManager: X509TrustManager): SSLSocketFactory {
    try {
      return newSSLContext()
        .apply {
          init(null, arrayOf<TrustManager>(trustManager), null)
        }.socketFactory
    } catch (e: GeneralSecurityException) {
      throw AssertionError("No System TLS: $e", e) // The system has no TLS. Just give up.
    }
  }

/**
 * Read and write HPACK v10.
 *
 * http://tools.ietf.org/html/draft-ietf-httpbis-header-compression-12
 *
 * This implementation uses an array for the dynamic table and a list for indexed entries. Dynamic
 * entries are added to the array, starting in the last position moving forward. When the array
 * fills, it is doubled.
 */
@Suppress("NAME_SHADOWING")
object Hpack {
  private const val PREFIX_4_BITS = 0x0f