public Collection<String> scanPackages() {
        return scanJar(p -> Files.isDirectory(p) && !isIgnored(p.toAbsolutePath()));
    }
public Collection < String > scanPackages ( ) { return scanJar ( p -> Files . isDirectory ( p ) && ! isIgnored ( p . toAbsolutePath ( ) ) ) ; }
Scans the specified jars for packages and returns a list of all packages found in that jar. The scanner makes no
distinction between packages and folders.

@return a collection of all package names found in the jar