You are required to design a semi$-$automated system, that manages the visitors to a residential complex. It is required to ensure that all logs of

any type of visitors are maintained and reports created regularly. Provide an HLD for the design which contains $($a$)$ Choice of architectural

patterns $($b$)$ Explanation in brief the reasons for the choice of the patterns $($c$)$ Depict with a diagram the dynamic use case for a visitor

registration, entry and exit.