utils/src/main/java/org/robolectric/util/inject/PluginFinder.java
@Nonnull
  <T> List<Class<? extends T>> findPlugins(Class<T> pluginType) {
    return prioritize(filter(serviceFinderAdapter.load(pluginType)));
  }
@Nonnull
  <T> List<Class<? extends T>> findPlugins(Class<T> pluginType) {
    return prioritize(filter(serviceFinderAdapter.load(pluginType)));
  }
Returns a list of implementation classes for the specified plugin, ordered from highest to
lowest priority. If no implementing classes can be found, an empty list is returned.

@param pluginType the class of the plugin type
@param <T> the class of the plugin type
@return a prioritized list of implementation classes