.Builder()
        .addHeader("Etag", "a")
        .addHeader("Cache-Control: max-age=0")
        .addHeader("A: a1")
        .addHeader("B: b2")
        .addHeader("B: b3")
        .body("abcd")
        .build(),
    )
    server.enqueue(
      MockResponse
        .Builder()
        .code(HttpURLConnection.HTTP_NOT_MODIFIED)
        .addHeader("B: b4")
        .addHeader("B: b5")

    builder.header("AZab09~", "AZab09 ~")
    builder.addHeader("AZab09~", "AZab09 ~")
  }

  @Test
  fun emptyNameForbidden() {
    val builder = Request.Builder()
    assertFailsWith<IllegalArgumentException> {
      builder.header("", "Value")
    }
    assertFailsWith<IllegalArgumentException> {
      builder.addHeader("", "Value")
    }
  }

  @Test

                    httpResponse.addHeader(ACCESS_CONTROL_ALLOW_ORIGIN, origin);
                    httpResponse.addHeader(ACCESS_CONTROL_ALLOW_METHODS, "GET, POST, OPTIONS");
                    httpResponse.addHeader(ACCESS_CONTROL_ALLOW_HEADERS, "Content-Type");
                    httpResponse.addHeader(ACCESS_CONTROL_MAX_AGE, "3600");
                    httpResponse.addHeader(ACCESS_CONTROL_ALLOW_CREDENTIALS, "true");

        final String customPath = "/api/v1/test";
        final String testHeader = "X-Test-Header";
        final String testHeaderValue = "TestValue";

        mockRequest.addHeader(testHeader, testHeaderValue);
        mockRequest.setMethod("POST");
        mockRequest.setRequestURI("/test/uri");

        webApiRequest = new WebApiRequest(mockRequest, customPath);

      fun Call.Factory.asEventSourceFactory(): Factory =
        Factory { request, listener ->
          val actualRequest =
            if (request.header("Accept") == null) {
              request.newBuilder().addHeader("Accept", "text/event-stream").build()
            } else {
              request
            }

          this.newCall(actualRequest).enqueueEventSource(listener)
        }
    }
  }

                        ssn.removeAttribute("NtlmHttpAuth");
                    }
                }
                resp.setHeader("WWW-Authenticate", "NTLM");
                if (offerBasic) {
                    resp.addHeader("WWW-Authenticate", "Basic realm=\"" + realm + "\"");
                }
                resp.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
                resp.setContentLength(0); /* Marcel Feb-15-2005 */

        filter.doFilter(request, response, filterChain);

        verify(response).setStatus(HttpServletResponse.SC_UNAUTHORIZED);
        verify(response).setHeader("WWW-Authenticate", "NTLM");
        verify(response).addHeader("WWW-Authenticate", "Basic realm=\"TestRealm\"");
        verify(filterChain, never()).doFilter(any(), any());
    }

    @Test
    void testDoFilter_alreadyAuthenticated_shouldProceed() throws Exception {

                SmbSession.logon(dc, ntlm);
            } catch (final SmbAuthException sae) {
                response.setHeader("WWW-Authenticate", "NTLM");
                if (offerBasic) {
                    response.addHeader("WWW-Authenticate", "Basic realm=\"" + realm + "\"");
                }
                response.setHeader("Connection", "close");
                response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);

            } catch (final SmbAuthException sae) {
                response.setHeader("WWW-Authenticate", "NTLM");
                if (offerBasic) {
                    response.addHeader("WWW-Authenticate", "Basic realm=\"" + this.realm + "\"");
                }
                response.setHeader("Connection", "close");
                response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);

        val request = Request.Builder()
            .url("https://api.github.com/repos/square/okhttp/issues")
            .header("User-Agent", "OkHttp Headers.java")
            .addHeader("Accept", "application/json; q=0.5")
            .addHeader("Accept", "application/vnd.github.v3+json")
            .build()

        client.newCall(request).execute().use { response ->