in maven2-server-impl/src/org/jetbrains/idea/maven/server/embedder/Maven2ModelConverter.java [228:242]
private static void doConvertPlugins(PluginContainer container,
boolean management,
List<MavenPlugin> result,
Set<String> pluginKeys) throws RemoteException {
if (container == null) return;
List<Plugin> plugins = container.getPlugins();
if (plugins == null) return;
for (Plugin each : plugins) {
String key = each.getGroupId() + ":" + each.getArtifactId();
result.add(convertPlugin(management, each));
pluginKeys.add(key);
}
}