### Question:
ClientNull extends ClientLiteral<Object, ClientNull> { @Override public void accept(ClientELVisitor visitor) { visitor.visit(this); super.accept(visitor); } ClientNull();  ClientNull(ClientNull literal); @Override void accept(ClientELVisitor visitor); @Override String toString(); @Override ClientNull setValue(Object value); @Override @XmlTransient Object getValue(); @Override ClientNull deepClone(); static final String EXPRESSION_ID; }### Answer:
@Test public void clientELVisitorCanBeAccepted() { ClientNull instance = new ClientNull(); instance.accept(clientELVisitor); verify(clientELVisitor).visit(instance); }