code: public static Plugin findPlugin(List<Plugin> plugins, String artifactId) {
          if (plugins != null) {
              for (Plugin plugin : plugins) {
                  String groupId = plugin.getGroupId();
                  if (Strings.isNullOrBlank(groupId) || Objects.equal(groupId, mavenPluginsGroupId)) {
                      if (Objects.equal(artifactId, plugin.getArtifactId())) {
                          return plugin;
                      }
                  }
              }
          }
          return null;
      }
docs: Returns the maven plugin for the given artifact id or returns null if it cannot be found