const concat2 = ( a , b ) : number => { return ( a << 8 ) | b ; } ; const concat3 = ( a , b , c ) : number => { return ( a << 16 ) | ( b << 8 ) | c ; } ; const concat4 = ( a , b , c , d ) : number => { return ( a << 24 ) | ( b << 16 ) | ( c << 8 ) | d ; } ; const legacyErrorMessage = `Maxmind v2 module has changed API.\n\
Upgrade instructions can be found here: \
https://github.com/runk/node-maxmind/wiki/Migration-guide\n\
If you want to use legacy libary then explicitly install maxmind@1` ; export default { concat2 , concat3 , concat4 , legacyErrorMessage , } ;