Description: &Current monitor condition for the modification monitoring of the directory watcher. As a reference for modification the user can choose between modification time, change time, change time only (change time is modified and modification time is not), and access time. All times can be monitored for being modified (should-be-modified, should-be-changed, should-be-changed-only, should-be-accessed) or for being unmodified (should-not-be-modified, should-not-be-changed, should-not-be-changed-only, should-not-be-accessed). At each poll the latest timestamp of the chosen policy for the directory in question will be compared with the reference timestamp. If the resulting monitor status is 'up' the reference time is set automatically to the most recent value of access time, change time, or modification time. If the monitor status is 'down' the metric may be reset manually by setting the monitor condition to reset-time-reference. Status calculation depends on the kind of monitoring (modified or unmodified) and the value of 'DirModInterval'. If monitoring is for being modified the status is down if the file was not modified for more seconds than the value of 'DirModInterval'. Status is reset to up if there are modifications within 'DirModInterval'. If monitoring is for being unmodified the status is down if the file was modified more often than every 'DirModInterval' seconds. If 'DirModInterval' is zero any modification sets the status down. Note that status evaluation only takes place when the agent polls. Thus the end of the modification interval will be detected on the subsequent poll.