* Les valeurs de ce dictionnaire sont de type `float`.

#### `Optional`

Vous pouvez aussi utiliser `Optional` pour déclarer qu'une variable a un type, comme `str` mais qu'il est "optionnel" signifiant qu'il pourrait aussi être `None`.

{*../../docs_src/python_types/tutorial009.py hl[1,4] *}

			<version>${project.version}</version>
		</dependency>
		<dependency>
			<groupId>org.codelibs.fess</groupId>
			<artifactId>fess-crawler-lasta</artifactId>
			<version>${project.version}</version>
			<optional>true</optional>
		</dependency>
		<dependency>
			<groupId>org.codelibs</groupId>
			<artifactId>corelib</artifactId>
			<version>${corelib.version}</version>
		</dependency>
		<dependency>

import org.codelibs.fess.util.BooleanFunction;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.QueryResponseList;
import org.dbflute.optional.OptionalEntity;
import org.dbflute.optional.OptionalThing;
import org.dbflute.util.DfTypeUtil;
import org.lastaflute.taglib.function.LaFunctions;
import org.lastaflute.web.util.LaRequestUtil;
import org.lastaflute.web.util.LaResponseUtil;

            setupListCondition(cb, labelTypePager);
        });

        // update pager
        BeanUtil.copyBeanToBean(labelTypeList, labelTypePager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        labelTypePager.setPageNumberList(labelTypeList.pageRange(op -> {
            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
        }).createPageNumberList());

## First dependency "dependable" { #first-dependency-dependable }

You could create a first dependency ("dependable") like:

{* ../../docs_src/dependencies/tutorial005_an_py310.py hl[8:9] *}

It declares an optional query parameter `q` as a `str`, and then it just returns it.

This is quite simple (not very useful), but will help us focus on how the sub-dependencies work.

import org.codelibs.fess.opensearch.config.exentity.WebConfig;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.RenderDataUtil;
import org.dbflute.optional.OptionalEntity;
import org.dbflute.optional.OptionalThing;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.response.render.RenderData;

            setupListCondition(cb, keyMatchPager);
        });

        // update pager
        BeanUtil.copyBeanToBean(keyMatchList, keyMatchPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        keyMatchPager.setPageNumberList(keyMatchList.pageRange(op -> {
            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
        }).createPageNumberList());

    /**
     * The network name of the share.
     */
    protected String netName;
    /**
     * The type of the share (e.g., disk, printer, IPC).
     */
    protected int type;
    /**
     * The optional comment or description for the share.
     */
    protected String remark;

    /**
     * Default constructor for SmbShareInfo.
     */
    public SmbShareInfo() {
    }

    /**

import org.codelibs.fess.opensearch.config.exentity.BoostDocumentRule;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.RenderDataUtil;
import org.dbflute.optional.OptionalEntity;
import org.dbflute.optional.OptionalThing;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.response.render.RenderData;

import org.codelibs.fess.opensearch.user.exentity.Group;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.RenderDataUtil;
import org.dbflute.optional.OptionalEntity;
import org.dbflute.optional.OptionalThing;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.response.render.RenderData;