readUTF8UntilDelimiterTo
fun Input.readUTF8UntilDelimiterTo(out: Appendable, delimiters: String, limit: Int = Int.MAX_VALUE): Int
fun Input.readUTF8UntilDelimiterTo(out: Output, delimiters: String, limit: Int = Int.MAX_VALUE): Int
Reads UTF-8 characters to out buffer until one of the specified delimiters found, limit exceeded or end of stream encountered