"cache-control",
        "no-cache",
        "cache-control",
        "no-store",
        "user-agent",
        "OkHttp",
      )
    val headerMap = headers.toMultimap()
    assertThat(headerMap["cache-control"]!!.size).isEqualTo(2)
    assertThat(headerMap["user-agent"]!!.size).isEqualTo(1)
  }

  @Test fun toMultimapUsesCanonicalCase() {
    val headers =
      Headers.headersOf(
        "cache-control",

        sourceMap.put("searchField", searchFieldMap);
        final Map<String, List<String>> headerMap = headerList.stream()
                .collect(Collectors.groupingBy(Pair::getFirst, Collectors.mapping(Pair::getSecond, Collectors.toList())));
        sourceMap.put("headers", headerMap);
        sourceMap.put("documents", documentList);
        return sourceMap;
    }

    @Override

	// Get header map.
	headerMap := make(map[string][]string)
	for k, vv := range req.Header {
		// If request header key is not in ignored headers, then add it.
		if _, ok := ignoredStreamingHeaders[http.CanonicalHeaderKey(k)]; !ok {
			headerMap[strings.ToLower(k)] = vv
		}
	}

	// Get header keys.
	headers := []string{"host"}
	for k := range headerMap {
		headers = append(headers, k)
	}

		}
	}

	return
}

func parseObjectAttributes(h http.Header) (attributes map[string]struct{}) {
	attributes = make(map[string]struct{})
	for _, headerVal := range h.Values(xhttp.AmzObjectAttributes) {
		for _, v := range strings.Split(strings.TrimSpace(headerVal), ",") {
			if v != "" {
				attributes[v] = struct{}{}
			}
		}
	}

	return
}

* HTTP Basic.
* **OAuth2** (ve **JWT tokenleriyle** beraber). Bu öğretici içeriğe göz atabilirsin [OAuth2 with JWT](tutorial/security/oauth2-jwt.md){.internal-link target=_blank}.
* API anahtarları:
    * Headerlar.
    * Query parametreleri.
    * Cookies, vs.

Bütün güvenlik özellikleri Starlette'den geliyor (**session cookies'de** dahil olmak üzere).