@@ -51,10 +51,15 @@
 	bool _closable;
 #endif
 	bool _atEndOfStream;
 }
 
+/*!
+ * @brief Whether there is an underlying terminal.
+ */
+@property (readonly, nonatomic) bool hasTerminal;
+
 /*!
  * @brief The number of columns, or -1 if there is no underlying terminal or
  *	  the number of columns could not be queried.
  */
 @property (readonly, nonatomic) int columns;