public boolean canDetermineActivation(Profile profile) {
        Activation activation = profile.getActivation();
        return activation != null && activation.getOs() != null;
    }

    public boolean isActive(Profile profile) {
        Activation activation = profile.getActivation();
        ActivationOS os = activation.getOs();

        boolean result = ensureAtLeastOneNonNull(os);

    private final String name;
    private final boolean consumable;
    private final boolean resolvable;
    private final boolean declarable;
    private final boolean consumptionDeprecated;
    private final boolean resolutionDeprecated;
    private final boolean declarationDeprecated;

    public DefaultConfigurationRole(
        String name,
        boolean consumable,
        boolean resolvable,
        boolean declarable,

    /**
     * If true, external dependencies will be skipped.
     */
    boolean isOffline();

    /**
     * Should sources for external dependencies be downloaded?
     */
    boolean downloadSources();

    /**
     * Should javadoc for external dependencies be downloaded?
     */
    boolean downloadJavaDoc();

    /**
     * The dependency points to an artifact built by another project.

    private final ComponentIdentifier componentId;
    private final boolean transitive;
    private final boolean visible;
    private final ImmutableSet<String> hierarchy;
    private final ImmutableAttributes attributes;
    private final boolean canBeConsumed;
    private final boolean deprecatedForConsumption;
    private final boolean canBeResolved;
    private final ImmutableCapabilities capabilities;

    delegate!!.startHandshake()
  }

  override fun setUseClientMode(mode: Boolean) {
    delegate!!.useClientMode = mode
  }

  override fun getUseClientMode(): Boolean {
    return delegate!!.useClientMode
  }

  override fun setNeedClientAuth(need: Boolean) {
    delegate!!.needClientAuth = need
  }

  override fun setWantClientAuth(want: Boolean) {
    delegate!!.wantClientAuth = want
  }

    }

    @Override
    public boolean add(E e) {
        boolean added = !contains(e);
        delegate.add(e);
        return added;
    }

    @Override
    public boolean addAll(Collection<? extends E> c) {
        boolean added = false;
        for (E e : c) {
            added |= add(e);
        }
        return added;
    }

    @Override
    public boolean contains(Object o) {

    private final boolean grouped;
    private final boolean topLevelWorkItem;
    private final boolean showHeader;

    BuildOperationCategory(boolean grouped, boolean topLevelWorkItem, boolean showHeader) {
        this.grouped = grouped;
        this.topLevelWorkItem = topLevelWorkItem;
        this.showHeader = showHeader;
    }

    public boolean isGrouped() {
        return grouped;
    }

    public boolean inField() {
        return false;
    }

    public boolean inConstructor() {
        return false;
    }

    public boolean inMethod() {
        return false;
    }

    public boolean inOverview() {
        return true;
    }

    public boolean inPackage() {
        return false;
    }

    public boolean inType() {
        return true;
    }

    override fun doesKotlinOnlyPackageExist(packageFqName: FqName): Boolean = false

    override fun doesPlatformSpecificPackageExist(packageFqName: FqName, platform: TargetPlatform): Boolean = false

    override fun getSubPackageFqNames(packageFqName: FqName, platform: TargetPlatform, nameFilter: (Name) -> Boolean): Set<Name> =
        emptySet()

     * and should not be asked to provide it.
     */
    public boolean maySupportModel(Class<?> modelType) {
        return false;
    }

    public boolean supportsEnvironmentVariablesCustomization() {
        return false;
    }

    public boolean supportsRunTasksBeforeExecutingAction() {
        return false;
    }

    public boolean supportsParameterizedToolingModels() {
        return false;
    }