plus

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