// 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>)

  }

  // Null support depends on the underlying table and function.
  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  @Override
  public void testNullPointerInstance() {}

  // put() and putAll() aren't supported.
  @Override
  public void testPut() {
    try {
      table.put("foo", 1, 'a');
      fail("Expected UnsupportedOperationException");
    } catch (UnsupportedOperationException expected) {
    }

        getConfigurer().put(key, providerOfValue);
    }

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

    @Override
    public void putAll(Provider<? extends Map<? extends K, ? extends V>> provider) {
        getConfigurer().putAll(provider);
    }

    @Override

import com.google.common.collect.ListMultimap;
import com.google.common.collect.testing.features.MapFeature;
import java.util.Arrays;
import java.util.List;
import org.junit.Ignore;

/**
 * Testers for {@link ListMultimap#putAll(Object, Iterable)}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.

            verify {
                prop = ['key1': 'value1']
                prop.put('key2', 'value2')
                prop.put('key3', project.provider { 'value3' })
                prop.putAll(['key4': 'value4'])
                prop.putAll(project.provider { ['key5': 'value5'] })
                expected = ['key1': 'value1', 'key2': 'value2', 'key3': 'value3', 'key4': 'value4', 'key5': 'value5']
            }
            '''.stripIndent()

    }

    @Override
    public Object remove(final Object key) {
        return parent.remove(key);
    }

    @Override
    public void putAll(final Map<? extends String, ? extends Object> m) {
        parent.putAll(m);
    }

    @Override
    public void clear() {
        parent.clear();
    }

    @Override
    public Set<String> keySet() {
        return parent.keySet();

            if (sourceDominant) {
                merged.putAll(target.getProperties());
                putAll(merged, source.getProperties(), CHILD_DIRECTORY_PROPERTY);
            } else {
                putAll(merged, source.getProperties(), CHILD_DIRECTORY_PROPERTY);
                merged.putAll(target.getProperties());
            }
            builder.properties(merged);

        final private Map<String, String> bindings =  new HashMap<>();
        private URL templateUrl;

        public TemplateOperationBuilder(Map<String, String> defaultBindings) {
            this.bindings.putAll(defaultBindings);
        }

        public TemplateOperationBuilder withTemplate(final String relativeTemplatePath) {
            this.templateUrl = getClass().getResource(templatepackage + "/" + relativeTemplatePath);

 * methods of the delegate. For example, overriding {@link #put} alone <i>will not</i> change the
 * behavior of {@link #putAll}, which can lead to unexpected behavior. In this case, you should
 * override {@code putAll} as well, either providing your own implementation, or delegating to the
 * provided {@code standardPutAll} method.
 *

/**
 * @since 3.2.3
 */
public class SystemProperties {
    /**
     * Thread-safe System.properties copy implementation.
     */
    public static void addSystemProperties(Properties props) {
        props.putAll(getSystemProperties());
    }

    /**
     * Returns a copy of {@link System#getProperties()} in a thread-safe manner.
     *
     * @return {@link System#getProperties()} obtained in a thread-safe manner.
     */