+ public String getText();
+
+ /**
+ * Returns whether this reply is known.
+ *
+ * @return {@code true} if this reply is known, {@code false} otherwise
+ */
+ public boolean isKnown();
+
+ /**
+ * Sets whether this reply is known.
+ *
+ * @param known
+ * {@code true} if this reply is known, {@code false} otherwise
+ * @return This reply
+ */
+ public T setKnown(boolean known);