+# Backwards compatibility names. These should be removed eventually.
+gyCONSTRAINT_CENTRED_VERTICALLY = CONSTRAINT_CENTRED_VERTICALLY
+gyCONSTRAINT_CENTRED_HORIZONTALLY = CONSTRAINT_CENTRED_HORIZONTALLY
+gyCONSTRAINT_CENTRED_BOTH = CONSTRAINT_CENTRED_BOTH
+gyCONSTRAINT_LEFT_OF = CONSTRAINT_LEFT_OF
+gyCONSTRAINT_RIGHT_OF = CONSTRAINT_RIGHT_OF
+gyCONSTRAINT_ABOVE = CONSTRAINT_ABOVE
+gyCONSTRAINT_BELOW = CONSTRAINT_BELOW
+gyCONSTRAINT_ALIGNED_TOP = CONSTRAINT_ALIGNED_TOP
+gyCONSTRAINT_ALIGNED_BOTTOM = CONSTRAINT_ALIGNED_BOTTOM
+gyCONSTRAINT_ALIGNED_LEFT = CONSTRAINT_ALIGNED_LEFT
+gyCONSTRAINT_ALIGNED_RIGHT = CONSTRAINT_ALIGNED_RIGHT
+gyCONSTRAINT_MIDALIGNED_TOP = CONSTRAINT_MIDALIGNED_TOP
+gyCONSTRAINT_MIDALIGNED_BOTTOM = CONSTRAINT_MIDALIGNED_BOTTOM
+gyCONSTRAINT_MIDALIGNED_LEFT = CONSTRAINT_MIDALIGNED_LEFT
+gyCONSTRAINT_MIDALIGNED_RIGHT = CONSTRAINT_MIDALIGNED_RIGHT
+
+