@Override
    public String toString() {
        return MoreObjects.toStringHelper(this)
                          .add("name", name())
                          .add("filename", filename())
                          .add("headers", headers)
                          .add("content", content)
                          .toString();
    }
A complete body part whose headers and content are readily available.
core/src/main/java/com/linecorp/armeria/common/multipart/DefaultAggregatedBodyPart.java