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public class My DesignPattern {private final Map folks = new ConcurrentHashMap (); public void add(Object key, Consumer someone) {folks put (key, someone):} public void remove

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public class My DesignPattern {private final Map folks = new ConcurrentHashMap (); public void add(Object key, Consumer someone) {folks put (key, someone):} public void remove (Object key) {folks remove(key);} public void send(Object event) {folks values(). forEach(someone someone. accept(event)):}} My DesignPattern myInstance = new My DesignPattern(); myInstance. add("key1", e rightarrow System. out. println(e)); my Instance. add("key2", System out:: printIn); my Instance. send("Hello World!"); The above functional programming code mimics the behavior of a well known design pattern in object-oriented design. Which is the most likely design pattern that behaves similar to the given code? Decorator Command Visitor Observer Template

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