/usr/include/heartbeat/agent_config.h is in resource-agents 1:4.0.0~rc1-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | /* include/agent_config.h. Generated from agent_config.h.in by configure. */
/* Where Resouce agents keep state files */
#define HA_RSCTMPDIR "/var/run/resource-agents"
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