// Test #putAll(K, Collection<V>)
    try {
      multimap.putAll(sampleKey, sampleValueAsCollection);
      fail("putAll(K, Iterable) succeeded on unmodifiable multimap");
    } catch (UnsupportedOperationException expected) {
    }
    assertMultimapRemainsUnmodified(multimap, originalEntries);

    // Test #putAll(Multimap<K, V>)

        newMap.putAll(map);
        return newMap;
      }
    },
    MapMakerStrongKeysWeakValues {
      @Override
      public <K extends Comparable<K>, V> Map<K, V> create(Map<K, V> map) {
        ConcurrentMap<K, V> newMap = new MapMaker().weakValues().makeMap();
        checkState(newMap instanceof MapMakerInternalMap);
        newMap.putAll(map);
        return newMap;
      }
    },

    Map<String, Integer> filtered = Maps.filterKeys(unfiltered, NOT_LENGTH_3);
    filtered.put("a", 1);
    filtered.put("b", 2);
    assertEquals(ImmutableMap.of("a", 1, "b", 2), filtered);

    try {
      filtered.putAll(ImmutableMap.of("c", 3, "zzz", 4, "b", 5));
      fail();
    } catch (IllegalArgumentException expected) {
    }

    assertEquals(ImmutableMap.of("a", 1, "b", 2), filtered);
  }

  }

  /** @since 11.0 */
  @Override
  public void put(K key, V value) {
    delegate().put(key, value);
  }

  /** @since 12.0 */
  @Override
  public void putAll(Map<? extends K, ? extends V> m) {
    delegate().putAll(m);
  }

  @Override
  public void invalidate(Object key) {
    delegate().invalidate(key);
  }

  /** @since 11.0 */
  @Override

    return delegate().put(rowKey, columnKey, value);
  }

  @Override
  public void putAll(Table<? extends R, ? extends C, ? extends V> table) {
    delegate().putAll(table);
  }

  @CanIgnoreReturnValue
  @Override
  @CheckForNull
  public V remove(@CheckForNull Object rowKey, @CheckForNull Object columnKey) {

        @Override
        public Result merge(Map<String, String> systemProperties) {
            Map<String, String> properties = new HashMap<>(this.properties);
            properties.putAll(systemProperties);
            properties.putAll(initialProperties.getRequestedSystemProperties());
            return new Result(properties, daemonJvmProperties, initialProperties);
        }
    }

    @Nullable
    public V put(K key, V value) {
        V oldValue = get(key);
        delegate.put(key, value);
        return oldValue;
    }

    @Override
    public void putAll(Map<? extends K, ? extends V> m) {
        delegate.putAll(m);
    }

    @Override
    @Nullable
    public V remove(Object key) {
        Map<K, V> map = new LinkedHashMap<>(delegate.get());
        V oldValue = map.remove(key);

                }
            }

        }
        catch ( IOException ioe ) {
            log.error("Failed to load config", ioe); //$NON-NLS-1$
        }
        p.putAll(System.getProperties());
        if ( props != null ) {
            p.putAll(props);
        }
        INSTANCE = new SingletonContext(p);
    }


    /**
     * Get singleton context
     * 

        this.repositorySystemSession = requireNonNull(repositorySystemSession);
        Properties executionProperties = new Properties();
        executionProperties.putAll(request.getSystemProperties());
        executionProperties.putAll(request.getUserProperties());
        this.executionProperties = executionProperties;
    }

    @Deprecated
    public MavenSession(
            PlexusContainer container,

def b = 0
def c = 0

tasks.register('generate', Generator) {
    properties.put("a", 1)
    // Values have not been configured yet
    properties.put("b", providers.provider { b })
    properties.putAll(providers.provider { [c: c, d: c + 1] })
}

// Configure the values. There is no need to reconfigure the task
b = 2