assertFalse("removeIf(x -> false) should return false", collection.removeIf(x -> false));
    expectUnchanged();
  }

  @CollectionFeature.Require(SUPPORTS_ITERATOR_REMOVE)
  @CollectionSize.Require(absent = ZERO)
  public void testRemoveIf_sometimesTrue() {
    assertTrue(
        "removeIf(isEqual(present)) should return true",
        collection.removeIf(Predicate.isEqual(samples.e0())));

    assertFalse("removeIf(x -> false) should return false", collection.removeIf(x -> false));
    expectUnchanged();
  }

  @CollectionFeature.Require(SUPPORTS_ITERATOR_REMOVE)
  @CollectionSize.Require(absent = ZERO)
  public void testRemoveIf_sometimesTrue() {
    assertTrue(
        "removeIf(isEqual(present)) should return true",
        collection.removeIf(Predicate.isEqual(samples.e0())));

        // Find accessors that were not removed but should be
        Map<AccessorKey, ReplacedAccessor> keptAccessors = new HashMap<>(oldAccessorsOfUpgradedProperties);
        keptAccessors.entrySet().removeIf(e -> {
            if (seenUpgradedAccessorsChanges.contains(e.getKey())) {
                return true;
            }
            ReplacedAccessor accessor = e.getValue();

    return Iterables.removeIf(
        multimap.unfiltered().entries(),
        // explicit <Entry<K, V>> is required to build with JDK6
        Predicates.<Entry<K, V>>and(
            multimap.entryPredicate(), Maps.<V>valuePredicateOnEntries(Predicates.in(c))));
  }

  @Override
  public boolean retainAll(Collection<?> c) {
    return Iterables.removeIf(
        multimap.unfiltered().entries(),

                props.put(overrideName, substVars(value, name, props, callback));
            } else {
                props.put(name, substVars(value, name, props, callback));
            }
        }
        props.keySet().removeIf(k -> k.startsWith(OVERRIDE_PREFIX));
    }

    private static MavenProperties loadPropertiesFile(
            Path path, boolean failIfNotFound, Function<String, String> callback) throws IOException {

            builtBy(writeFuturePluginVersions)
        }
    }
}

// Workaround for https://github.com/gradle/gradlecom/issues/627
configurations.archives.get().allArtifacts.removeIf {
    it.name != "plugins"
}

val pgpSigningKey: Provider<String> = providers.environmentVariable("PGP_SIGNING_KEY")