diff --git a/include/crm/common/attrd_internal.h b/include/crm/common/attrd_internal.h
index f7033ade96..389be48570 100644
--- a/include/crm/common/attrd_internal.h
+++ b/include/crm/common/attrd_internal.h
@@ -1,46 +1,48 @@
 /*
  * Copyright 2004-2022 the Pacemaker project contributors
  *
  * The version control history for this file may have further details.
  *
  * This source code is licensed under the GNU Lesser General Public License
  * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
  */
 
 #ifndef PCMK__ATTRD_INTERNAL__H
 #  define PCMK__ATTRD_INTERNAL__H
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 // Options for clients to use with functions below
 enum pcmk__node_attr_opts {
-    pcmk__node_attr_none    = 0,
-    pcmk__node_attr_remote  = (1 << 0),
-    pcmk__node_attr_private = (1 << 1),
-    pcmk__node_attr_pattern = (1 << 2),
-    pcmk__node_attr_value   = (1 << 3),
-    pcmk__node_attr_delay   = (1 << 4),
-    pcmk__node_attr_perm    = (1 << 5),
+    pcmk__node_attr_none           = 0,
+    pcmk__node_attr_remote         = (1 << 0),
+    pcmk__node_attr_private        = (1 << 1),
+    pcmk__node_attr_pattern        = (1 << 2),
+    pcmk__node_attr_value          = (1 << 3),
+    pcmk__node_attr_delay          = (1 << 4),
+    pcmk__node_attr_perm           = (1 << 5),
+    pcmk__node_attr_sync_local     = (1 << 6),
+    pcmk__node_attr_sync_cluster   = (1 << 7),
 };
 
 #define pcmk__set_node_attr_flags(node_attr_flags, flags_to_set) do {   \
         node_attr_flags = pcmk__set_flags_as(__func__, __LINE__,        \
             LOG_TRACE, "Node attribute", crm_system_name,               \
             (node_attr_flags), (flags_to_set), #flags_to_set);          \
     } while (0)
 
 #define pcmk__clear_node_attr_flags(node_attr_flags, flags_to_clear) do {   \
         node_attr_flags = pcmk__clear_flags_as(__func__, __LINE__,          \
             LOG_TRACE, "Node attribute", crm_system_name,                   \
             (node_attr_flags), (flags_to_clear), #flags_to_clear);          \
     } while (0)
 
 const char *pcmk__node_attr_target(const char *name);
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif