http://nexus.sonatype.org/oss-repository-hosting.html/vertx-parent/vertx-ext/vertx-ext-parent/vertx-mail-client: Sonatype helps open source projects to set up Maven repositories on https://oss.sonatype.org/ (Eclipse) 
/*
 *  Copyright (c) 2011-2015 The original author or authors
 *
 *  All rights reserved. This program and the accompanying materials
 *  are made available under the terms of the Eclipse Public License v1.0
 *  and Apache License v2.0 which accompanies this distribution.
 *
 *       The Eclipse Public License is available at
 *       http://www.eclipse.org/legal/epl-v10.html
 *
 *       The Apache License v2.0 is available at
 *       http://www.opensource.org/licenses/apache2.0.php
 *
 *  You may elect to redistribute this code under either of these licenses.
 */

package io.vertx.ext.mail.mailencoder;

import io.vertx.core.MultiMap;

abstract class EncodedPart {
  MultiMap headers;
  String part;

  public String asString() {
    return headers.toString() + "\n"
        + part;
  }
}