/**
     * This type is syntactically identical to "multipart/mixed", but the semantics are different.
     * In particular, in a digest, the default `Content-Type` value for a body part is changed from
     * "text/plain" to "message/rfc822".
     */
    @JvmField
    val DIGEST = "multipart/digest".toMediaType()

    /**
     * This type is syntactically identical to "multipart/mixed", but the semantics are different.