diff --git a/include/pacemaker-internal.h b/include/pacemaker-internal.h
index 2e75d0976b..bf33f3ef0e 100644
--- a/include/pacemaker-internal.h
+++ b/include/pacemaker-internal.h
@@ -1,23 +1,24 @@
 /*
- * Copyright 2019 the Pacemaker project contributors
+ * Copyright 2019-2021 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 PACEMAKER_INTERNAL__H
 #  define PACEMAKER_INTERNAL__H
 
 #  include <pcmki/pcmki_error.h>
 #  include <pcmki/pcmki_cluster_queries.h>
 #  include <pcmki/pcmki_fence.h>
 #  include <pcmki/pcmki_output.h>
+#  include <pcmki/pcmki_resource.h>
 #  include <pcmki/pcmki_sched_allocate.h>
 #  include <pcmki/pcmki_sched_notif.h>
 #  include <pcmki/pcmki_sched_utils.h>
 #  include <pcmki/pcmki_scheduler.h>
 #  include <pcmki/pcmki_transition.h>
 
 #endif
diff --git a/include/pcmki/Makefile.am b/include/pcmki/Makefile.am
index 7aa64c7c3b..446c801487 100644
--- a/include/pcmki/Makefile.am
+++ b/include/pcmki/Makefile.am
@@ -1,22 +1,23 @@
 #
-# Copyright 2019 the Pacemaker project contributors
+# Copyright 2019-2021 the Pacemaker project contributors
 #
 # The version control history for this file may have further details.
 #
 # This source code is licensed under the GNU General Public License version 2
 # or later (GPLv2+) WITHOUT ANY WARRANTY.
 #
 
 MAINTAINERCLEANFILES    = Makefile.in
 
 noinst_HEADERS		= pcmki_error.h \
 			  pcmki_cluster_queries.h \
 			  pcmki_fence.h \
 			  pcmki_output.h \
+			  pcmki_resource.h \
 			  pcmki_sched_allocate.h \
 			  pcmki_sched_notif.h \
 			  pcmki_sched_utils.h \
 			  pcmki_scheduler.h \
 			  pcmki_transition.h
 
 .PHONY: $(ARCHIVE_VERSION)
diff --git a/include/pcmki/pcmki_resource.h b/include/pcmki/pcmki_resource.h
new file mode 100644
index 0000000000..effa945d2a
--- /dev/null
+++ b/include/pcmki/pcmki_resource.h
@@ -0,0 +1,14 @@
+/*
+ * Copyright 2021 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 PCMKI_RESOURCE__H
+#define PCMKI_RESOURCE__H
+
+#include <crm/common/output_internal.h>
+
+#endif /* PCMK_RESOURCE__H */
diff --git a/lib/pacemaker/Makefile.am b/lib/pacemaker/Makefile.am
index 4129ade666..760c04a94e 100644
--- a/lib/pacemaker/Makefile.am
+++ b/lib/pacemaker/Makefile.am
@@ -1,49 +1,50 @@
 #
-# Copyright 2004-2019 the Pacemaker project contributors
+# Copyright 2004-2021 the Pacemaker project contributors
 #
 # The version control history for this file may have further details.
 #
 # This source code is licensed under the GNU General Public License version 2
 # or later (GPLv2+) WITHOUT ANY WARRANTY.
 #
 
 include $(top_srcdir)/mk/common.mk
 
 AM_CPPFLAGS	+= -I$(top_builddir) -I$(top_srcdir)
 
 ## libraries
 lib_LTLIBRARIES	= libpacemaker.la
 
 ## SOURCES
 
 libpacemaker_la_LDFLAGS	= -version-info 2:2:1
 
 libpacemaker_la_CFLAGS	= $(CFLAGS_HARDENED_LIB)
 libpacemaker_la_LDFLAGS	+= $(LDFLAGS_HARDENED_LIB)
 
 libpacemaker_la_LIBADD	= $(top_builddir)/lib/pengine/libpe_status.la \
 			$(top_builddir)/lib/cib/libcib.la \
 			$(top_builddir)/lib/lrmd/liblrmd.la \
 			$(top_builddir)/lib/common/libcrmcommon.la
 # -L$(top_builddir)/lib/pils -lpils -export-dynamic -module -avoid-version
 # Use += rather than backlashed continuation lines for parsing by bumplibs.sh
 libpacemaker_la_SOURCES	=
 libpacemaker_la_SOURCES += pcmk_cluster_queries.c
 libpacemaker_la_SOURCES += pcmk_fence.c
 libpacemaker_la_SOURCES += pcmk_output.c
+libpacemaker_la_SOURCES += pcmk_resource.c
 libpacemaker_la_SOURCES	+= pcmk_sched_allocate.c
 libpacemaker_la_SOURCES += pcmk_sched_bundle.c
 libpacemaker_la_SOURCES += pcmk_sched_clone.c
 libpacemaker_la_SOURCES += pcmk_sched_constraints.c
 libpacemaker_la_SOURCES += pcmk_sched_graph.c
 libpacemaker_la_SOURCES += pcmk_sched_group.c
 libpacemaker_la_SOURCES += pcmk_sched_messages.c
 libpacemaker_la_SOURCES += pcmk_sched_native.c
 libpacemaker_la_SOURCES += pcmk_sched_notif.c
 libpacemaker_la_SOURCES += pcmk_sched_promotable.c
 libpacemaker_la_SOURCES += pcmk_sched_transition.c
 libpacemaker_la_SOURCES += pcmk_sched_utilization.c
 libpacemaker_la_SOURCES += pcmk_sched_utils.c
 libpacemaker_la_SOURCES += pcmk_trans_graph.c
 libpacemaker_la_SOURCES += pcmk_trans_unpack.c
 libpacemaker_la_SOURCES += pcmk_trans_utils.c
diff --git a/lib/pacemaker/pcmk_resource.c b/lib/pacemaker/pcmk_resource.c
new file mode 100644
index 0000000000..05614fcd2e
--- /dev/null
+++ b/lib/pacemaker/pcmk_resource.c
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2021 the Pacemaker project contributors
+ *
+ * The version control history for this file may have further details.
+ *
+ * This source code is licensed under the GNU General Public License version 2
+ * or later (GPLv2+) WITHOUT ANY WARRANTY.
+ */
+
+#include <crm_internal.h>
+
+#include <glib.h>
+#include <libxml/tree.h>
+
+#include <crm/common/mainloop.h>
+#include <crm/common/results.h>
+#include <crm/common/output_internal.h>
+#include <crm/pengine/internal.h>
+
+#include <pacemaker.h>
+#include <pacemaker-internal.h>