+ * Returns whether this entry denotes a virtual file. A virtual file entry
+ * is a file entry that does not have a corresponding file on the disk.
+ *
+ * @return <code>true</code> if this entry is a virtual file entry,
+ * <code>false</code> otherwise
+ */
+ public boolean isVirtual();
+
+ /**
+ * Returns whether this entry still has its default settings.
+ *
+ * @return <code>true</code> if this entry has not been changed by the
+ * user, <code>false</code> otherwise
+ */
+ public boolean isDefault();
+
+ /**