You can also declare the `Response` parameter in dependencies, and set headers (and cookies) in them.

## Return a `Response` directly

You can also add headers when you return a `Response` directly.

Create a response as described in [Return a Response Directly](response-directly.md){.internal-link target=_blank} and pass the headers as an additional parameter:

```Python hl_lines="10-12"

        }

        return servers;
    }

    @Override
    public DefaultSettingsDecryptionRequest setServers(List<Server> servers) {
        this.servers = servers;

        return this;
    }

    @Override
    public List<Proxy> getProxies() {
        if (proxies == null) {
            proxies = new ArrayList<>();
        }

        return proxies;
    }

    @Override

router = APIRouter()


@router.get("/a", responses={501: {"description": "Error 1"}})
async def a():
    return "a"


@router.get(
    "/b",
    responses={
        502: {"description": "Error 2"},
        "4XX": {"description": "Error with range, upper"},
    },
)
async def b():
    return "b"


@router.get(
    "/c",
    responses={
        "400": {"description": "Error with str"},

  private var serverSocket: ServerSocket? = null
  private var socket: Socket? = null

  fun setClient(client: Boolean) {
    if (this.client == client) return
    this.client = client
    writer = Http2Writer(bytesOut, client)
  }

  fun acceptFrame() {
    frameCount++
  }

  /** Maximum length of an outbound data frame.  */

        SMBUtil.writeInt4(this.length, dst, dstIndex);
        dstIndex += 4;
        dstIndex += 4; // reserved
        return dstIndex - start;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.Encodable#size()
     */
    @Override
    public int size () {
        return 24;
    }

        for ( SrvCopychunk chk : this.chunks ) {
            dstIndex += chk.encode(dst, dstIndex);
        }
        return dstIndex - start;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.Encodable#size()
     */
    @Override
    public int size () {
        return 32 + this.chunks.length * 24;
    }

            expression = ValueSourceUtils.trimPrefix(expression, expressionPrefixes, true);

            if (unprefixedPathKeys.contains(expression)) {
                return pathTranslator.alignToBaseDirectory(String.valueOf(value), projectDir);
            }
        }

        return null;
    }

        if (secDispatcher.isAnyEncryptedString(encrypted)) {
            context.terminal.writer().println(secDispatcher.decrypt(encrypted));
            return OK;
        } else {
            context.terminal.writer().println(messageBuilderFactory.builder().error("Malformed encrypted string"));
            return BAD_OPERATION;
        }
    }

#   See the License for the specific language governing permissions and
#   limitations under the License.

function write_patch_file() {
    if [ -z "${ARTIFACTS}" ]; then
      return 0
    fi

    PATCH_NAME="check-clean-repo-diff.patch"
    PATCH_OUT="${ARTIFACTS}/${PATCH_NAME}"
    git diff > "${PATCH_OUT}"

    [ -n "${JOB_NAME}" ] && [ -n "${BUILD_ID}" ]
    # shellcheck disable=SC2319

            final Set<Integer> backing = super.getImpl();
            return new ForwardingSet<Integer>() {
              @Override
              protected Set<Integer> delegate() {
                return backing;
              }

              @Override
              public boolean add(Integer element) {
                checkArgument(element >= 0);
                return super.add(element);
              }