buffered

fun OutputStream.buffered(
    bufferSize: Int = DEFAULT_BUFFER_SIZE
): BufferedOutputStream

Creates a buffered output stream wrapping this stream.

bufferedWriter

fun OutputStream.bufferedWriter(
    charset: Charset = Charsets.UTF_8
): BufferedWriter

Creates a buffered writer on this output stream using UTF-8 or the specified charset.

writer

fun OutputStream.writer(
    charset: Charset = Charsets.UTF_8
): OutputStreamWriter

Creates a writer on this output stream using UTF-8 or the specified charset.