Add streamAll method to UserManager
import java.util.Collection;
import java.util.Optional;
import java.util.UUID;
+import java.util.stream.Stream;
/**
* Stores the persistent {@link User} data of a {@link Player}.
*/
Collection<GameProfile> getAll();
+ /**
+ * Gets a stream of all {@link GameProfile}s with stored {@link User}
+ * data.
+ *
+ * <p>Use {@link #get(GameProfile)} to get the {@link User} data
+ * corresponding to a {@link GameProfile}.</p>
+ *
+ * @return A {@link Stream} of {@link GameProfile}s
+ */
+ Stream<GameProfile> streamAll();
+
/**
* Deletes the data associated with a {@link User}.
*
