if !void {
				fmt.Fprint(fgo2, "r, ")
			}
			fmt.Fprint(fgo2, "nil\n")
		} else if !void {
			fmt.Fprint(fgo2, "\treturn r\n")
		}

		fmt.Fprint(fgo2, "}\n")

		// declare the C function.
		fmt.Fprintf(fgo2, "//extern %s\n", cname)
		d.Name = ast.NewIdent(cname)
		if n.AddError {
			l := d.Type.Results.List
			d.Type.Results.List = l[:len(l)-1]
		}
		conf.Fprint(fgo2, fset, d)

        then:
        def e = thrown(IllegalStateException)
        e.message == "This property is already declared as an output property of <owner 1> (type ${owner1.class.simpleName}). Cannot also declare it as an output property of <owner 2> (type ${owner2.class.simpleName})."

        when:
        property.attachOwner(owner(), displayName("<display-name>"))
        property.attachProducer(owner2)

import java.util.ArrayList;
import java.util.Collection;

import org.codelibs.fess.es.config.allcommon.EsAbstractConditionQuery;
import org.codelibs.fess.es.config.cbean.cq.BoostDocumentRuleCQ;
import org.dbflute.cbean.ckey.ConditionKey;
import org.opensearch.index.query.BoolQueryBuilder;
import org.opensearch.index.query.CommonTermsQueryBuilder;
import org.opensearch.index.query.ExistsQueryBuilder;

import java.util.ArrayList;
import java.util.Collection;

import org.codelibs.fess.es.config.allcommon.EsAbstractConditionQuery;
import org.codelibs.fess.es.config.cbean.cq.FailureUrlCQ;
import org.dbflute.cbean.ckey.ConditionKey;
import org.opensearch.index.query.BoolQueryBuilder;
import org.opensearch.index.query.CommonTermsQueryBuilder;
import org.opensearch.index.query.ExistsQueryBuilder;

import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.Collection;

import org.codelibs.fess.es.log.allcommon.EsAbstractConditionQuery;
import org.codelibs.fess.es.log.cbean.cq.ClickLogCQ;
import org.dbflute.cbean.ckey.ConditionKey;
import org.opensearch.index.query.BoolQueryBuilder;
import org.opensearch.index.query.CommonTermsQueryBuilder;
import org.opensearch.index.query.ExistsQueryBuilder;

import java.util.ArrayList;
import java.util.Collection;

import org.codelibs.fess.es.config.allcommon.EsAbstractConditionQuery;
import org.codelibs.fess.es.config.cbean.cq.ElevateWordCQ;
import org.dbflute.cbean.ckey.ConditionKey;
import org.opensearch.index.query.BoolQueryBuilder;
import org.opensearch.index.query.CommonTermsQueryBuilder;
import org.opensearch.index.query.ExistsQueryBuilder;

import java.util.ArrayList;
import java.util.Collection;

import org.codelibs.fess.es.config.allcommon.EsAbstractConditionQuery;
import org.codelibs.fess.es.config.cbean.cq.RelatedContentCQ;
import org.dbflute.cbean.ckey.ConditionKey;
import org.opensearch.index.query.BoolQueryBuilder;
import org.opensearch.index.query.CommonTermsQueryBuilder;
import org.opensearch.index.query.ExistsQueryBuilder;

import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.Collection;

import org.codelibs.fess.es.config.allcommon.EsAbstractConditionQuery;
import org.codelibs.fess.es.config.cbean.cq.KeyMatchCQ;
import org.dbflute.cbean.ckey.ConditionKey;
import org.opensearch.index.query.BoolQueryBuilder;
import org.opensearch.index.query.CommonTermsQueryBuilder;
import org.opensearch.index.query.ExistsQueryBuilder;

import java.util.ArrayList;
import java.util.Collection;

import org.codelibs.fess.es.config.allcommon.EsAbstractConditionQuery;
import org.codelibs.fess.es.config.cbean.cq.PathMappingCQ;
import org.dbflute.cbean.ckey.ConditionKey;
import org.opensearch.index.query.BoolQueryBuilder;
import org.opensearch.index.query.CommonTermsQueryBuilder;
import org.opensearch.index.query.ExistsQueryBuilder;

Deleting files and directories in Gradle involves removing them from the file system.

=== Using the `Delete` task

You can easily delete files and directories using the link:{groovyDslPath}/org.gradle.api.tasks.Delete.html[Delete] task.