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package com.threewks.spring.gmail;

import javax.mail.internet.MimeMessage;
import java.util.Objects;
import java.util.function.Function;

@FunctionalInterface
public interface MimeMessageInterceptor extends Function {


    default MimeMessageInterceptor andThen(MimeMessageInterceptor after) {
        Objects.requireNonNull(after);
        return message -> after.apply(apply(message));
    }

    static MimeMessageInterceptor unchanged() {
        return t -> t;
    }

}