public void installDiscoveredPlugins(PluginScanResult scanResult) {
        pluginLoaders.putAll(computePluginLoaders(scanResult));
        for (String pluginClassName : pluginLoaders.keySet()) {
            log.info("Added plugin '{}'", pluginClassName);
        }
        aliases.putAll(PluginUtils.computeAliases(scanResult));
        for (Map.Entry<String, String> alias : aliases.entrySet()) {
            log.info("Added alias '{}' to plugin '{}'", alias.getKey(), alias.getValue());
        }
    }
Retrieve the PluginClassLoader associated with a plugin class
@param name The fully qualified class name of the plugin
@return the PluginClassLoader that should be used to load this, or null if the plugin is not isolated.
connect/runtime/src/main/java/org/apache/kafka/connect/runtime/isolation/DelegatingClassLoader.java