@Override
    public List<MultipartPart> getParts() {
        return this.parts;
    }
HttpBrowserCompatibleMultipart represents a collection of MIME multipart encoded
content bodies. This class is emulates browser compatibility, e.g. IE 5 or earlier.

@since 4.3
httpclient5/src/main/java/org/apache/hc/client5/http/entity/mime/LegacyMultipart.java