class CharSequenceInputStream extends InputStream {

    @Override
    public boolean markSupported() {
        return true;
    }

    public  CharSequenceInputStream(final CharSequence cs, final Charset charset, final int bufferSize);
    public  CharSequenceInputStream(final CharSequence cs, final String charset, final int bufferSize);
    public  CharSequenceInputStream(final CharSequence cs, final Charset charset);
    public  CharSequenceInputStream(final CharSequence cs, final String charset);

}