fPackagePaths
PackagePathMap fPackagePaths;
BPackagePathMap* fPackagePaths;
fPackagePaths[package] = fileName;
PackagePathMap::const_iterator it = fPackagePaths.find(package);
if (it == fPackagePaths.end()) {
fPackagePaths = packagePaths;
if (fPackagePaths != NULL)
(*fPackagePaths)[package] = path;