l3 := a.New[int]()
	l3.PushBackList(l1)
	checkList(l3, []interface{}{1, 2, 3})
	l3.PushBackList(l2)
	checkList(l3, []interface{}{1, 2, 3, 4, 5})

	l3 = a.New[int]()
	l3.PushFrontList(l2)
	checkList(l3, []interface{}{4, 5})
	l3.PushFrontList(l1)
	checkList(l3, []interface{}{1, 2, 3, 4, 5})

	checkList(l1, []interface{}{1, 2, 3})
	checkList(l2, []interface{}{4, 5})

	l3 = a.New[int]()

	l2.PushBack(5)

	l3 := New()
	l3.PushBackList(l1)
	checkList(t, l3, []any{1, 2, 3})
	l3.PushBackList(l2)
	checkList(t, l3, []any{1, 2, 3, 4, 5})

	l3 = New()
	l3.PushFrontList(l2)
	checkList(t, l3, []any{4, 5})
	l3.PushFrontList(l1)
	checkList(t, l3, []any{1, 2, 3, 4, 5})

	checkList(t, l1, []any{1, 2, 3})
	checkList(t, l2, []any{4, 5})

	l3 = New()
	l3.PushBackList(l1)

	l3 := _New[int]()
	l3.PushBackList(l1)
	checkList(l3, []interface{}{1, 2, 3})
	l3.PushBackList(l2)
	checkList(l3, []interface{}{1, 2, 3, 4, 5})

	l3 = _New[int]()
	l3.PushFrontList(l2)
	checkList(l3, []interface{}{4, 5})
	l3.PushFrontList(l1)
	checkList(l3, []interface{}{1, 2, 3, 4, 5})

	checkList(l1, []interface{}{1, 2, 3})
	checkList(l2, []interface{}{4, 5})

	l3 = _New[int]()

			}
			for _, check := range checks {
				if check.Name() == ipv4File {
					checkList = append(checkList, ipv4File)
				}
				if check.Name() == ipv6File {
					checkList = append(checkList, ipv6File)
				}
			}
			if diff := cmp.Diff(checkList, rt.expStr); diff != "" {
				t.Fatalf("unexpected file content check (-want,+got):\n%s", diff)
			}
		})
	}
}

				list, err := BuildList([]module.Version{m(kf[1])}, reqs)
				checkList(t, key, list, err, val)
			})
			continue
		case "upgrade*":
			if len(kf) != 2 {
				t.Fatalf("upgrade* takes one argument: %q", line)
			}
			fns = append(fns, func(t *testing.T) {
				list, err := UpgradeAll(m(kf[1]), reqs)
				checkList(t, key, list, err, val)
			})
			continue
		case "upgradereq":

- [ ] New feature (non-breaking change which adds functionality)
- [ ] Optimization (provides speedup with no functional changes)
- [ ] Breaking change (fix or feature that would cause existing functionality to change)

## Checklist:
- [ ] Fixes a regression (If yes, please add `commit-id` or `PR #` here)
- [ ] Unit tests added/updated
- [ ] Internal documentation updated

      multiple: true
      options:
        - Android
        - GWT
        - Java 8
        - Java 11
        - Java 17

  - type: checkboxes
    attributes:
      label: Checklist
      options:
        - label: >
            I agree to follow the
            [code of conduct](https://github.com/google/.github/blob/master/CODE_OF_CONDUCT.md).

<!--- The issue this PR addresses -->
<!-- Fixes #? -->

### Context
<!--- Why do you believe many users will benefit from this change? -->
<!--- Link to relevant issues or forum discussions here -->

### Contributor Checklist
- [ ] [Review Contribution Guidelines](https://github.com/gradle/gradle/blob/master/CONTRIBUTING.md).

Following this checklist to help us incorporate your
contribution quickly and easily:

 - [ ] Make sure there is a [JIRA issue](https://issues.apache.org/jira/browse/MNG) filed
       for the change (usually before you start working on it).  Trivial changes like typos do not
       require a JIRA issue. Your pull request should address just this issue, without
       pulling in other changes.

      label: Concrete Use Cases
      description: Please provide use cases that actually came up in the real world.
    validations:
      required: true

  - type: checkboxes
    attributes:
      label: Checklist
      options:
        - label: >
            I agree to follow the
            [code of conduct](https://github.com/google/.github/blob/master/CODE_OF_CONDUCT.md).
          required: true
        - label: >