public CompletableFuture<Void> loadAllGroups() {
        return future(() -> {
            this.implementation.loadAllGroups();
            this.plugin.getEventDispatcher().dispatchGroupLoadAll();
        });
    }
Provides a {@link CompletableFuture} based API for interacting with a {@link StorageImplementation}.
common/src/main/java/me/lucko/luckperms/common/storage/Storage.java