--- a/server/session.py	Wed Jun 11 14:46:48 2014 +0200
+++ b/server/session.py	Fri May 02 14:26:14 2014 +0200
@@ -549,6 +549,7 @@
         return self._rewriter
 
     @_open_only
+    @deprecated('[3.19] use session or transaction data')
     def get_shared_data(self, key, default=None, pop=False, txdata=False):
         """return value associated to `key` in session data"""
         if txdata:
@@ -561,6 +562,7 @@
             return data.get(key, default)
 
     @_open_only
+    @deprecated('[3.19] use session or transaction data')
     def set_shared_data(self, key, value, txdata=False):
         """set value associated to `key` in session data"""
         if txdata:
@@ -1558,6 +1560,7 @@
 
     # shared data handling ###################################################
 
+    @deprecated('[3.19] use session or transaction data')
     def get_shared_data(self, key, default=None, pop=False, txdata=False):
         """return value associated to `key` in session data"""
         if txdata:
@@ -1569,6 +1572,7 @@
         else:
             return data.get(key, default)
 
+    @deprecated('[3.19] use session or transaction data')
     def set_shared_data(self, key, value, txdata=False):
         """set value associated to `key` in session data"""
         if txdata: