{!../../../docs_src/path_operation_advanced_configuration/tutorial004.py!}
```

## Additional Responses

You probably have seen how to declare the `response_model` and `status_code` for a *path operation*.

That defines the metadata about the main response of a *path operation*.

You can also declare additional responses with their models, status codes, etc.

## Mix `Path`, `Query` and body parameters

First, of course, you can mix `Path`, `Query` and request body parameter declarations freely and **FastAPI** will know what to do.

And you can also declare body parameters as optional, by setting the default to `None`:

=== "Python 3.10+"

    ```Python hl_lines="18-20"
    {!> ../../../docs_src/body_multiple_params/tutorial001_an_py310.py!}
    ```

#  $ declare -p W X Y Z
#  declare -- W="abc"
#  declare -a X=([0]="1 1" [1]="2 2" [2]="3 3")
#  declare -A Y
#  declare -a Z=([0]="1 1" [1]="2 2" [2]="3 3")
function kube::util::read-array {
  if [[ -z "$1" ]]; then
    echo "usage: ${FUNCNAME[0]} <varname>" >&2
    return 1
  fi
  if [[ -n $(declare -p "$1" 2>/dev/null) ]]; then
    if ! declare -p "$1" 2>/dev/null | grep -q '^declare -a'; then

    override
    fun execute(context: ComponentMetadataContext) = context.details.run {
        if (loggingModules.contains(id.name)) {
            allVariants {
                withCapabilities {
                    // Declare that both log4j and log4j-over-slf4j provide the same capability
                    addCapability("log4j", "log4j", id.version)
                }
            }
        }
    }
}
// end::declare_capability[]

import org.codelibs.fess.es.config.exentity.FileConfig;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.util.ParameterUtil;
import org.dbflute.cbean.result.ListResultBean;
import org.dbflute.cbean.result.PagingResultBean;
import org.dbflute.optional.OptionalEntity;

public class FileConfigService extends FessAppService {

    @Resource
    protected FileConfigBhv fileConfigBhv;

    @Resource

            switch (entry.getCompressionMethod()) {
                case STORED:
                    return CompressionMethod.STORED;
                case DEFLATED:
                    return CompressionMethod.DEFLATED;
                default:
                    // Zip entries can be in many formats but JARs are unlikely to have them as JVM doesn't

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.es.config.allcommon;

import org.dbflute.cbean.sqlclause.AbstractSqlClause;
import org.dbflute.dbway.DBWay;

/**
 * @author ESFlute (using FreeGen)
 */
public class EsSqlClause extends AbstractSqlClause {

    private static final long serialVersionUID = 1L;

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.es.log.allcommon;

import org.dbflute.cbean.sqlclause.AbstractSqlClause;
import org.dbflute.dbway.DBWay;

/**
 * @author ESFlute (using FreeGen)
 */
public class EsSqlClause extends AbstractSqlClause {

    private static final long serialVersionUID = 1L;

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.es.user.allcommon;

import org.dbflute.cbean.sqlclause.AbstractSqlClause;
import org.dbflute.dbway.DBWay;

/**
 * @author ESFlute (using FreeGen)
 */
public class EsSqlClause extends AbstractSqlClause {

    private static final long serialVersionUID = 1L;

import org.dbflute.Entity;
import org.dbflute.bhv.AbstractBehaviorWritable;
import org.dbflute.bhv.readable.EntityRowHandler;
import org.dbflute.bhv.writable.DeleteOption;
import org.dbflute.bhv.writable.InsertOption;
import org.dbflute.bhv.writable.UpdateOption;
import org.dbflute.cbean.ConditionBean;
import org.dbflute.cbean.coption.CursorSelectOption;
import org.dbflute.cbean.result.ListResultBean;