You are trying to add a class already written in another application to serve

clients, beside other classes, in your system. All other classes have the same

interface, the incoming class has a totally different interface than the clients

expect, but contains all required functionalities.

What kind of refactoring is needed to make this class fit in with minimum

changes in your system? Give the name of the design pattern that you are

planning to use in this system.

a$)$

Bridge

b$)$

Composite

c$)$

Observer

d$)$

Adapter

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