Progress::Theme

new(complete : String = "▓", alt_progress_head : Nil | String = nil, progress_head : Nil | String = nil, incomplete : String = "░", bar_start : String = "[", bar_end : String = "]", width : Int32 = 60, number_format : String = "%.1f%%", binary_prefix_format : Int::BinaryPrefixFormat = :JEDEC, decimal_separator : String = ".")