.groupBy { "${it.major}.${it.minor}" }
            .map { (_, v) -> v.maxOrNull()!!.format() }

        // Limit to first and last release of each major version
        mainTestedVersions = testedVersions.map { VersionNumber.parse(it.gradleVersion().version) }
            .groupBy { it.major }
            .map { (_, v) -> listOf(v.maxOrNull()!!.format()) }.flatten()

                "Minimum supported '$minimumSupported' was not found in available versions: $allVersions"
            }
            val versionsByMinor = allVersions
                .groupBy { it.take(3) } // e.g. 1.9
                .toSortedMap()
            val latests = buildList {
                versionsByMinor.entries.forEachIndexed { idx, entry ->

            listOf(performanceTestSpec.performanceTestType)
        }
    return performanceTestConfigurations.flatMap { configuration ->
        configuration.groups
            .filter { group ->
                performanceTestTypes.any { type ->
                    group.performanceTestTypes[type]?.contains(performanceTestSpec.os) == true
                }

            val allMinorLatests = allVersions.map { version ->
                VersionNumber.parse(version)
            }.sorted().groupBy { version ->
                VersionNumber.version(version.major, version.minor)
            }.map { (_, versions) ->
                versions.last()
            }

                functionalTests
                    .filter {
                        largeSubProjectRegex.containsMatchIn(
                            it.name,
                        )
                    }.groupBy { it.getSubProjectSplitName().substringBefore('_') }
            functionalTestsWithSplit.forEach {
                assertAllSplitsArePresent(it.key, it.value)
                assertCorrectParameters(it.key, it.value)

            val packageName = packageLineRegex.find(packageLine)!!.groupValues[1]
            results.add(packageName to packageInfoFile.relativeTo(baseDir).path)
        }

        val outputData = results.groupBy(keySelector = { it.first }, valueTransform = { it.second })
        outputFile.get().asFile.writeText(Gson().toJson(outputData))
    }

	return
}

// Group specify the group method on the find
//
//	// Select the sum age of users with given names
//	db.Model(&User{}).Select("name, sum(age) as total").Group("name").Find(&results)
func (db *DB) Group(name string) (tx *DB) {
	tx = db.getInstance()

	fields := strings.FieldsFunc(name, utils.IsInvalidDBNameChar)
	tx.Statement.AddClause(clause.GroupBy{

        // Test with empty groups
        groups = new String[] {};
        user = new TestFessUser("testuser", new String[] {}, groups, new String[] {});
        assertArrayEquals(groups, user.getGroupNames());

        // Test with null groups
        user = new TestFessUser("testuser", new String[] {}, null, new String[] {});
        assertNull(user.getGroupNames());

        // Test with groups containing spaces

            }
            this.groupSid = new SID(domainId, groupId);

            // Compute Group IDs with Domain ID to get Group SIDs
            this.groupSids = new SID[groups.length];
            for (int i = 0; i < groups.length; i++) {
                this.groupSids[i] = new SID(domainId, groups[i].getId());
            }
        } catch (final IOException e) {

	return tgts, errs
}

// Split targets into two groups:
//
//	group1 contains all targets of type t
//	group2 contains the remaining targets
func splitTargets(targets []Target, t types.TargetType) (group1 []Target, group2 []Target) {
	for _, target := range targets {
		if target.Type() == t {
			group1 = append(group1, target)
		} else {
			group2 = append(group2, target)
		}
	}
	return group1, group2
}