package net.pterodactylus.sone.data;
-import static com.google.common.base.Preconditions.*;
+import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.collect.FluentIterable.from;
import static java.util.Arrays.asList;
import static net.pterodactylus.sone.data.Album.FLATTENER;