return false;
            }
        }
        return true;
    }

    @Override
    public boolean excludesArtifact(ModuleIdentifier module, IvyArtifactName artifactName) {
        for (ExcludeSpec component : getComponents()) {
            if (!component.excludesArtifact(module, artifactName)) {
                return false;
            }
        }
        return true;
    }

    @Override

     */
    boolean excludes(ModuleIdentifier module);

    /**
     * Determines if this exclude rule excludes the supplied artifact, for the specified module.
     */
    boolean excludesArtifact(ModuleIdentifier module, IvyArtifactName artifactName);

    /**
     * Tells if this rule may exclude some artifacts. This is used to optimize artifact resolution.
     */
    boolean mayExcludeArtifacts();

                return true;
            }
        }
        return false;
    }

    @Override
    public boolean excludesArtifact(ModuleIdentifier module, IvyArtifactName artifactName) {
        for (ExcludeSpec component : getComponents()) {
            if (component.excludesArtifact(module, artifactName)) {
                return true;
            }
        }
        return false;
    }

    @Override

    }

    private DefaultExcludeEverything() {
    }

    @Override
    public boolean excludes(ModuleIdentifier module) {
        return true;
    }

    @Override
    public boolean excludesArtifact(ModuleIdentifier module, IvyArtifactName artifactName) {
        // everything excluded **only** applies to modules, not artifacts!
        return false;
    }

    @Override

        return module;
    }

    @Override
    public boolean excludes(ModuleIdentifier module) {
        return this.module.equals(module.getName());
    }

    @Override
    public boolean excludesArtifact(ModuleIdentifier module, IvyArtifactName artifactName) {
        return false;
    }

    @Override
    public boolean mayExcludeArtifacts() {
        return false;
    }

    @Override

        return modules;
    }

    @Override
    public boolean excludes(ModuleIdentifier module) {
        return modules.contains(module.getName());
    }

    @Override
    public boolean excludesArtifact(ModuleIdentifier module, IvyArtifactName artifactName) {
        return false;
    }

    @Override
    public boolean mayExcludeArtifacts() {
        return false;
    }

    @Override

        return moduleIds;
    }

    @Override
    public boolean excludes(ModuleIdentifier module) {
        return moduleIds.contains(module);
    }

    @Override
    public boolean excludesArtifact(ModuleIdentifier module, IvyArtifactName artifactName) {
        return false;
    }

    @Override
    public boolean mayExcludeArtifacts() {
        return false;
    }

    @Override

            return false;
        }
        return matches(moduleId.getGroup(), module.getGroup()) && matches(moduleId.getName(), module.getName());
    }

    @Override
    public boolean excludesArtifact(ModuleIdentifier module, IvyArtifactName artifact) {
        if (!isArtifactExclude) {
            return false;
        }
        return matches(moduleId.getGroup(), module.getGroup())

    }

    private DefaultExcludeNothing() {
    }

    @Override
    public boolean excludes(ModuleIdentifier module) {
        return false;
    }

    @Override
    public boolean excludesArtifact(ModuleIdentifier module, IvyArtifactName artifactName) {
        return false;
    }

    @Override
    public boolean mayExcludeArtifacts() {
        return false;
    }

    @Override

        return groups;
    }

    @Override
    public boolean excludes(ModuleIdentifier module) {
        return groups.contains(module.getGroup());
    }

    @Override
    public boolean excludesArtifact(ModuleIdentifier module, IvyArtifactName artifactName) {
        return false;
    }

    @Override
    public boolean mayExcludeArtifacts() {
        return false;
    }

    @Override