@Override
  public @Nullable V put(K key, V value) {
    return delegate.put(checkValid(key), value);
  }

  @Override
  public void putAll(Map<? extends K, ? extends V> map) {
    for (K key : map.keySet()) {
      checkValid(key);
    }
    delegate.putAll(map);
  }

  @Override
  public @Nullable V remove(Object key) {
    return delegate.remove(checkValid(key));
  }

  @Override

        return getCreatedAt();
    }

    @Override
    public Map<String, Object> toSource() {
        final Map<String, Object> sourceMap = super.toSource();
        if (fields != null) {
            sourceMap.putAll(fields);
        }
        return sourceMap;
    }

    @Override
    protected void addFieldToSource(final Map<String, Object> sourceMap, final String field, final Object value) {

er ikke korrekt",badCustomVal:"Inntastingsverdien er ikke korrekt",badDate:"Du har ikke oppgitt en korrekt dato",badDomain:"Ukorrekt domeneverdi",badEmail:"Du har ikke oppgitt en korrekt e-postadresse",badInt:"Inntastingsverdien er ikke et korrekt tall",badNumberOfSelectedOptionsEnd:" svar",badNumberOfSelectedOptionsStart:"Du må velge minst ",badSecurityAnswer:"Du har ikke oppgitt et korrekt svar på sikkerhetsspørsmålet",badSecurityNumber:"Ditt personnummer var ukorrekt",badStrength:"Passordet er...

                    ImmutableSetMultimap<String, Integer> badEntries =
                        ImmutableSetMultimap.of("foo", 314, "one", 159, "two", 265, "bar", 358);
                    multimap.putAll(badEntries);
                    return Multimaps.filterEntries(
                        multimap, not(Predicates.in(badEntries.entries())));
                  }
                })

    assertFalse(bf1.isCompatible(bf2));
    assertThrows(
        IllegalArgumentException.class,
        () -> {
          bf1.putAll(bf2);
        });

    assertFalse(bf2.isCompatible(bf1));
    assertThrows(
        IllegalArgumentException.class,
        () -> {
          bf2.putAll(bf1);
        });
  }

  public void testPutAllWithSelf() {

    assertFalse(bf1.isCompatible(bf2));
    assertThrows(
        IllegalArgumentException.class,
        () -> {
          bf1.putAll(bf2);
        });

    assertFalse(bf2.isCompatible(bf1));
    assertThrows(
        IllegalArgumentException.class,
        () -> {
          bf2.putAll(bf1);
        });
  }

  public void testPutAllWithSelf() {

    Map<String, Integer> moreToPut = new LinkedHashMap<>();
    moreToPut.put("four", 4);
    moreToPut.put("five", 5);

    ImmutableMap<String, Integer> map =
        new Builder<String, Integer>().putAll(toPut).putAll(moreToPut).buildOrThrow();
    assertMapEquals(map, "one", 1, "two", 2, "three", 3, "four", 4, "five", 5);
  }

  public void testBuilderReuse() {
    Builder<String, Integer> builder = new Builder<>();

  },

  /**
   * The entry itself was not actually removed, but its value was replaced by the user. This can
   * result from the user invoking {@link Cache#put}, {@link LoadingCache#refresh}, {@link Map#put},
   * {@link Map#putAll}, {@link ConcurrentMap#replace(Object, Object)}, or {@link
   * ConcurrentMap#replace(Object, Object, Object)}.
   */
  REPLACED {
    @Override
    boolean wasEvicted() {
      return false;
    }
  },

    List<V> valuesToPut = asList(v0(), v1(), v0());

    for (K k : sampleKeys()) {
      resetContainer();

      Set<V> expectedValues = copyToSet(multimap().get(k));

      multimap().putAll(k, valuesToPut);
      expectedValues.addAll(valuesToPut);

      assertGet(k, expectedValues);
    }
  }

    if (supportsPut) {
      int initialSize = map.size();
      map.putAll(mapToPut);
      assertEquals(valueToPut, map.get(keyToPut));
      assertTrue(map.containsKey(keyToPut));
      assertTrue(map.containsValue(valueToPut));
      assertEquals(initialSize + 1, map.size());
    } else {
      assertThrows(UnsupportedOperationException.class, () -> map.putAll(mapToPut));
    }
    assertInvariants(map);
  }