putEnv(env, Context.PROVIDER_URL, providerUrl);
        putEnv(env, Context.SECURITY_PRINCIPAL, principal);
        putEnv(env, Context.SECURITY_CREDENTIALS, credntials);
        if (providerUrl != null && providerUrl.startsWith("ldaps://")) {
            putEnv(env, Context.SECURITY_PROTOCOL, "ssl");
        }
        return env;
    }

    protected void putEnv(final Hashtable<String, String> env, final String key, final String value) {

            }

            if (importSource instanceof FileModelSource && request.getRootDirectory() != null) {
                Path sourcePath = ((FileModelSource) importSource).getPath();
                if (sourcePath.startsWith(request.getRootDirectory())) {
                    problems.add(new ModelProblemCollectorRequest(Severity.WARNING, ModelProblem.Version.BASE)

    checkNotNull(hostAddr);

    // Decide if this should be an IPv6 or IPv4 address.
    String ipString;
    int expectBytes;
    if (hostAddr.startsWith("[") && hostAddr.endsWith("]")) {
      ipString = hostAddr.substring(1, hostAddr.length() - 1);
      expectBytes = 16;
    } else {
      ipString = hostAddr;
      expectBytes = 4;
    }

    assertThat(call).contains("protocol=http")
    assertThat(call.lowercase(Locale.US)).contains("scheme=basic")
  }

  private fun authCallsForHeader(authHeader: String): List<String> {
    val proxy = authHeader.startsWith("Proxy-")
    val responseCode = if (proxy) 407 else 401
    val authenticator = RecordingAuthenticator(null)
    java.net.Authenticator.setDefault(authenticator)
    server.enqueue(
      MockResponse.Builder()