// Merge b into a
	a.merge(b, -1)
	//nolint:gocritic
	want := append(loadMetacacheSampleNames, loadMetacacheSampleNames...)
	sort.Strings(want)
	got := a.entries().names()
	if len(got) != len(want) {
		t.Errorf("unexpected count, want %v, got %v", len(want), len(got))
	}

	for i, name := range got {
		if want[i] != name {
			t.Errorf("unexpected name, want %q, got %q", want[i], name)
		}
	}
}

			got = m.GetReport(SelectBuckets())
			if !reflect.DeepEqual(got.BucketStats, tt.want2.BucketStats) {
				t.Errorf("GetReport() = %v, want %v", got.BucketStats, tt.want2.BucketStats)
			}
		})
	}

				}
				err = want.WriteJSON(&wantB)
				if err != nil {
					t.Error(err)
				}
				// truncate newline from 'want'
				wantB.Truncate(wantB.Len() - 1)
				if !bytes.Equal(gotB.Bytes(), wantB.Bytes()) {
					t.Errorf("JSON output mismatch.\nwant: %s\ngot:  %s", wantB.String(), gotB.String())
				}
			}
		})
	}

				}
			})

			if len(gots) != len(test.wants) {
				t.Fatalf("Expected %d objects but got %d", len(test.wants), len(gots))
			}
			if slices.CompareFunc(gots, test.wants, func(g, w ObjectInfo) int {
				if g.VersionID == w.VersionID {
					return 0
				}
				return -1
			}) != 0 {
				t.Fatalf("Expected %v but got %v", test.wants, gots)
			}
			// verify the objects to be deleted

			}
			f.Close()
		}

		bs, err := os.ReadFile(goldenFile)
		if err != nil {
			t.Fatalf("opening golden.txt for package %q: %v", fi.Name(), err)
		}
		wanted := strings.Split(string(bs), "\n")
		slices.Sort(wanted)
		for _, feature := range wanted {
			if feature == "" {
				continue
			}
			_, ok := w.features[feature]
			if !ok {
				t.Errorf("package %s: missing feature %q", fi.Name(), feature)
			}

			if err != nil && !strings.Contains(err.Error(), tt.wantErr) {
				t.Errorf("parseHexUint(%q) = %v, %v; want error %q", tt.in, got, err, tt.wantErr)
			}
		} else {
			if err != nil || got != tt.want {
				t.Errorf("parseHexUint(%q) = %v, %v; want %v", tt.in, got, err, tt.want)
			}
		}
	}

			},
			OutCapacity: 1,
			InCapacity:  1,
		}))
	}
	register(local)
	register(remote)
	// Double remote DL
	local.debugMsg(debugAddToDeadline, wantDL)
	defer local.debugMsg(debugAddToDeadline, time.Duration(0))
	remote.debugMsg(debugAddToDeadline, wantDL)
	defer remote.debugMsg(debugAddToDeadline, time.Duration(0))

	testHandler := func(t *testing.T, handler HandlerID) {
		remoteConn := local.Connection(remoteHost)

## Return Type and Data Filtering { #return-type-and-data-filtering }

Let's continue from the previous example. We wanted to **annotate the function with one type**, but we wanted to be able to return from the function something that actually includes **more data**.

    /*
     * Don't bother testing. All non-primitive parameters are used only to construct error messages.
     * We never want to pass null for them, so we haven't annotated them to say that null is
     * allowed. But at the same time, it seems wasteful to bother inserting the checkNotNull calls
     * that NullPointerTester wants.
     *
     * (This empty method disables the automatic null testing provided by PackageSanityTests.)
     */
  }

## Adding Guava to your build

Guava's Maven group ID is `com.google.guava`, and its artifact ID is `guava`.
Guava provides two different "flavors": one for use on a (Java 8+) JRE and one
for use on Android or by any library that wants to be compatible with Android.
These flavors are specified in the Maven version field as either `33.5.0-jre` or
`33.5.0-android`. For more about depending on Guava, see
[using Guava in your build].