CSV
data class CSV(val delimiter: Char = ',', val header: List<String> = listOf(), val colTypes: Map<String, ColType> = mapOf(), val skipLines: Int = 0, val readLines: Int? = null, val duplicate: Boolean = true, val charset: Charset = Charsets.UTF_8, val parserOptions: ParserOptions? = null, val contentType: ContentType = TEXT_CSV) : DataFrameFormat