Same as https://gist.github.com/ndemengel/77a8ffbb929bc55e3d87809820c1c5a4, without javac's -parameters option

1 EmailUpdated without -parameters.java

import lombok.*;

// The aim here is to have a type that looks like a value type, while still
// allowing Jackson to unmarshal our type from JSON.
// See https://gist.github.com/ndemengel/77a8ffbb929bc55e3d87809820c1c5a4 for a more elegant solution.
@AllArgsConstructor @Getter
@EqualsAndHashCode @ToString
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public final class EmailUpdated implements Event<EmailUpdated> {

    public static final String EXCHANGE_NAME = "email.updated.exchange";

    private String accountId;
    private String oldEmail;
    private String newEmail;
}