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diff --git a/src/include/utils/resowner_private.h b/src/include/utils/resowner_private.h
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+++ b/src/include/utils/resowner_private.h
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+/*-------------------------------------------------------------------------
+ *
+ * resowner_private.h
+ *	  POSTGRES resource owner private definitions.
+ *
+ * See utils/resowner/README for more info.
+ *
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/utils/resowner_private.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef RESOWNER_PRIVATE_H
+#define RESOWNER_PRIVATE_H
+
+#include "storage/dsm.h"
+#include "storage/fd.h"
+#include "storage/lock.h"
+#include "utils/catcache.h"
+#include "utils/plancache.h"
+#include "utils/resowner.h"
+#include "utils/snapshot.h"
+
+
+/* support for buffer refcount management */
+extern void ResourceOwnerEnlargeBuffers(ResourceOwner owner);
+extern void ResourceOwnerRememberBuffer(ResourceOwner owner, Buffer buffer);
+extern void ResourceOwnerForgetBuffer(ResourceOwner owner, Buffer buffer);
+
+/* support for local lock management */
+extern void ResourceOwnerRememberLock(ResourceOwner owner, LOCALLOCK *locallock);
+extern void ResourceOwnerForgetLock(ResourceOwner owner, LOCALLOCK *locallock);
+
+/* support for catcache refcount management */
+extern void ResourceOwnerEnlargeCatCacheRefs(ResourceOwner owner);
+extern void ResourceOwnerRememberCatCacheRef(ResourceOwner owner,
+											 HeapTuple tuple);
+extern void ResourceOwnerForgetCatCacheRef(ResourceOwner owner,
+										   HeapTuple tuple);
+extern void ResourceOwnerEnlargeCatCacheListRefs(ResourceOwner owner);
+extern void ResourceOwnerRememberCatCacheListRef(ResourceOwner owner,
+												 CatCList *list);
+extern void ResourceOwnerForgetCatCacheListRef(ResourceOwner owner,
+											   CatCList *list);
+
+/* support for relcache refcount management */
+extern void ResourceOwnerEnlargeRelationRefs(ResourceOwner owner);
+extern void ResourceOwnerRememberRelationRef(ResourceOwner owner,
+											 Relation rel);
+extern void ResourceOwnerForgetRelationRef(ResourceOwner owner,
+										   Relation rel);
+
+/* support for plancache refcount management */
+extern void ResourceOwnerEnlargePlanCacheRefs(ResourceOwner owner);
+extern void ResourceOwnerRememberPlanCacheRef(ResourceOwner owner,
+											  CachedPlan *plan);
+extern void ResourceOwnerForgetPlanCacheRef(ResourceOwner owner,
+											CachedPlan *plan);
+
+/* support for tupledesc refcount management */
+extern void ResourceOwnerEnlargeTupleDescs(ResourceOwner owner);
+extern void ResourceOwnerRememberTupleDesc(ResourceOwner owner,
+										   TupleDesc tupdesc);
+extern void ResourceOwnerForgetTupleDesc(ResourceOwner owner,
+										 TupleDesc tupdesc);
+
+/* support for snapshot refcount management */
+extern void ResourceOwnerEnlargeSnapshots(ResourceOwner owner);
+extern void ResourceOwnerRememberSnapshot(ResourceOwner owner,
+										  Snapshot snapshot);
+extern void ResourceOwnerForgetSnapshot(ResourceOwner owner,
+										Snapshot snapshot);
+
+/* support for temporary file management */
+extern void ResourceOwnerEnlargeFiles(ResourceOwner owner);
+extern void ResourceOwnerRememberFile(ResourceOwner owner,
+									  File file);
+extern void ResourceOwnerForgetFile(ResourceOwner owner,
+									File file);
+
+/* support for dynamic shared memory management */
+extern void ResourceOwnerEnlargeDSMs(ResourceOwner owner);
+extern void ResourceOwnerRememberDSM(ResourceOwner owner,
+									 dsm_segment *);
+extern void ResourceOwnerForgetDSM(ResourceOwner owner,
+								   dsm_segment *);
+
+/* support for JITContext management */
+extern void ResourceOwnerEnlargeJIT(ResourceOwner owner);
+extern void ResourceOwnerRememberJIT(ResourceOwner owner,
+									 Datum handle);
+extern void ResourceOwnerForgetJIT(ResourceOwner owner,
+								   Datum handle);
+
+/* support for cryptohash context management */
+extern void ResourceOwnerEnlargeCryptoHash(ResourceOwner owner);
+extern void ResourceOwnerRememberCryptoHash(ResourceOwner owner,
+											Datum handle);
+extern void ResourceOwnerForgetCryptoHash(ResourceOwner owner,
+										  Datum handle);
+
+/* support for HMAC context management */
+extern void ResourceOwnerEnlargeHMAC(ResourceOwner owner);
+extern void ResourceOwnerRememberHMAC(ResourceOwner owner,
+									  Datum handle);
+extern void ResourceOwnerForgetHMAC(ResourceOwner owner,
+									Datum handle);
+
+#endif							/* RESOWNER_PRIVATE_H */