package Ġcom . very good security . very sp acy food . presentation . main . model Ċ Ċ data Ġclass ĠSecure Card Ġconstructor ( ĊĠĠĠ Ġval Ġcard Number Bin : ĠString , ĊĠĠĠ Ġval Ġcard Number Last 4 : ĠString , ĊĠĠĠ Ġval Ġcard Brand : ĠString , Ċ )