Return true if rootPath appears to contain valid Zoneinfo data.
Declared in <baltzo_datafileloader.h>
bool
isRootPathPlausible() const;
Return true if the directory returned by the rootPath method exists and appears to contain valid Zoneinfo time-zone information files, as determined by calling isPlausibleZoneinfoRootPath on the value returned by the rootPath method.
true if rootPath appears to contain valid Zoneinfo data