plus

operator fun plus(kv: Pair<String, String>): MultipartForm(source)
@JvmName(name = "plusField")
operator fun plus(kv: Pair<String, MultipartFormField>): MultipartForm(source)
@JvmName(name = "plusFile")
operator fun plus(kv: Pair<String, MultipartFormFile>): MultipartForm(source)