+ public Set<String> getLikedPostIds();
+
+ /**
+ * Sets the IDs of all liked posts.
+ *
+ * @param likedPostIds
+ * All liked posts’ IDs
+ * @return This Sone (for method chaining)
+ */
+ public Sone setLikePostIds(Set<String> likedPostIds);
+
+ /**
+ * Checks whether the given post ID is liked by this Sone.
+ *
+ * @param postId
+ * The ID of the post
+ * @return {@code true} if this Sone likes the given post, {@code false}
+ * otherwise
+ */
+ public boolean isLikedPostId(String postId);
+
+ /**
+ * Adds the given post ID to the list of posts this Sone likes.
+ *
+ * @param postId
+ * The ID of the post
+ * @return This Sone (for method chaining)
+ */
+ public Sone addLikedPostId(String postId);
+
+ /**
+ * Removes the given post ID from the list of posts this Sone likes.
+ *
+ * @param postId
+ * The ID of the post
+ * @return This Sone (for method chaining)
+ */
+ public Sone removeLikedPostId(String postId);
+
+ /**
+ * Returns the IDs of all liked replies.
+ *
+ * @return All liked replies’ IDs
+ */
+ public Set<String> getLikedReplyIds();
+
+ /**
+ * Sets the IDs of all liked replies.
+ *
+ * @param likedReplyIds
+ * All liked replies’ IDs
+ * @return This Sone (for method chaining)
+ */
+ public Sone setLikeReplyIds(Set<String> likedReplyIds);
+
+ /**
+ * Checks whether the given reply ID is liked by this Sone.
+ *
+ * @param replyId
+ * The ID of the reply
+ * @return {@code true} if this Sone likes the given reply, {@code false}
+ * otherwise
+ */
+ public boolean isLikedReplyId(String replyId);
+
+ /**
+ * Adds the given reply ID to the list of replies this Sone likes.
+ *
+ * @param replyId
+ * The ID of the reply
+ * @return This Sone (for method chaining)
+ */
+ public Sone addLikedReplyId(String replyId);
+
+ /**
+ * Removes the given post ID from the list of replies this Sone likes.
+ *
+ * @param replyId
+ * The ID of the reply
+ * @return This Sone (for method chaining)
+ */
+ public Sone removeLikedReplyId(String replyId);
+
+ /**
+ * Returns the albums of this Sone.
+ *
+ * @return The albums of this Sone
+ */
+ public List<Album> getAlbums();
+
+ /**
+ * Returns a flattened list of all albums of this Sone. The resulting list
+ * contains parent albums before child albums so that the resulting list can
+ * be parsed in a single pass.
+ *
+ * @return The flattened albums
+ */
+ public List<Album> getAllAlbums();
+
+ /**
+ * Returns all images of a Sone. Images of a album are inserted into this
+ * list before images of all child albums.
+ *
+ * @return The list of all images
+ */
+ public List<Image> getAllImages();
+
+ /**
+ * Adds an album to this Sone.
+ *
+ * @param album
+ * The album to add
+ */
+ public void addAlbum(Album album);
+
+ /**
+ * Sets the albums of this Sone.
+ *
+ * @param albums
+ * The albums of this Sone
+ */
+ public void setAlbums(Collection<? extends Album> albums);
+
+ /**
+ * Removes an album from this Sone.
+ *
+ * @param album
+ * The album to remove
+ */
+ public void removeAlbum(Album album);
+
+ /**
+ * Moves the given album up in this album’s albums. If the album is already
+ * the first album, nothing happens.
+ *
+ * @param album
+ * The album to move up
+ * @return The album that the given album swapped the place with, or
+ * <code>null</code> if the album did not change its place
+ */
+ public Album moveAlbumUp(Album album);
+
+ /**
+ * Moves the given album down in this album’s albums. If the album is
+ * already the last album, nothing happens.
+ *
+ * @param album
+ * The album to move down
+ * @return The album that the given album swapped the place with, or
+ * <code>null</code> if the album did not change its place
+ */
+ public Album moveAlbumDown(Album album);
+
+ /**
+ * Returns Sone-specific options.
+ *
+ * @return The options of this Sone
+ */
+ public Options getOptions();