public void setPluginVersionAt(ClassLoaderScope scope, String pluginId, String pluginVersion) {
        Map<String, String> pluginVersions = pluginVersionsPerScope.computeIfAbsent(scope.getOriginalScope(), ignored -> new ConcurrentHashMap<>());
        if (pluginVersions.containsKey(pluginId)) {
            throw new IllegalStateException("Plugin version already set for " + pluginId);
        }

        return new ImmutableClassLoaderScope(id.child(name), this, origin, localClasspath, classpathImplementationHash, localClassLoaderFactory, classLoaderCache, listener);
    }

    @Override
    public ClassLoaderScope getOriginalScope() {
        return this;
    }

     * been discarded to reduce memory pressure.
     */
    void onReuse();

    ClassLoaderScope getOriginalScope();