public static List<PluginType> getPluginTypes(List<ConfigSource> configs) {
        return FiltersInternal.getPluginTypes(configs);
    }
Utility class for handling multiple filter plugins.

<p>It is considered to be an internal class, not for plugins. To make it explicit, {@link FiltersInternal} replaces it.
embulk-core/src/main/java/org/embulk/spi/util/Filters.java