} else if( ch == '#' ) {
                        state = ST_COMM;
                        break;
                    }
                    state = ST_TYPE;
                case ST_TYPE:
                    if( ch == ' ' || ch == '\t' ) {
                        state = ST_GAP;
                    } else {
                        type[t++] = ch;
                    }
                    break;

  static {
    int spaceInAscii = 32;
    int sevenBitAsciiMax = 128;
    StringBuilder sb = new StringBuilder(sevenBitAsciiMax - spaceInAscii);
    for (int ch = spaceInAscii; ch < sevenBitAsciiMax; ch++) {
      sb.append((char) ch);
    }
    ASCII_CHARACTERS = sb.toString();
  }

  private static final String ALL_DIGITS;

  static {
    StringBuilder sb = new StringBuilder();
    String zeros =

        int start = di, ch;
        int strlen = str.length();

        for ( int i = 0; di < dlim && i < strlen; i++ ) {
            ch = str.charAt(i);
            if ( ( ch >= 0x0001 ) && ( ch <= 0x007F ) ) {
                dst[ di++ ] = (byte) ch;
            }
            else if ( ch > 0x07FF ) {
                if ( ( dlim - di ) < 3 ) {
                    break;

	defer target.connMutex.Unlock()

	if target.conn != nil {
		ch, err = target.conn.Channel()
		if err == nil {
			if target.args.PublisherConfirms {
				confirms := ch.NotifyPublish(make(chan amqp091.Confirmation, 1))
				if err := ch.Confirm(false); err != nil {
					ch.Close()
					return nil, nil, err
				}
				return ch, confirms, nil
			}
			return ch, nil, nil
		}

		if !isAMQPClosedErr(err) {

// The context both allows returning errors on writes and to ensure that
// this isn't abandoned if the channel is no longer being read from.
func WriterToChannel(ctx context.Context, ch chan<- []byte) io.Writer {
	return &writerWrapper{ch: ch, ctx: ctx}
}

// bytesOrLength returns small (<=100b) byte slices as string, otherwise length.
func bytesOrLength(b []byte) string {
	if len(b) > 100 {

        state = mark = si = 0;
        do {
            char ch = arr[ si ];

            switch ( state ) {
            case 0:
                if ( ch == ':' ) {
                    proto = str.substring(mark, si);
                    mark = si + 1;
                    state = 1;
                }
                break;
            case 1:
                if ( ch == '\\' ) {
                    mark = si + 1;

		line: 1,
		file: file,
	}
}

// We want center dot (·) and division slash (∕) to work as identifier characters.
func isIdentRune(ch rune, i int) bool {
	if unicode.IsLetter(ch) {
		return true
	}
	switch ch {
	case '_': // Underscore; traditional.
		return true
	case '\u00B7': // Represents the period in runtime.exit. U+00B7 '·' middle dot
		return true

    }

    /**
     * 単独で存在する文字として設定します。
     *
     * @param ctype2
     *            文字のタイプの配列
     * @param ch
     *            文字コード
     */
    protected static void ordinaryChar(final byte[] ctype2, final int ch) {
        if (ch >= 0 && ch < ctype2.length) {
            ctype2[ch] = 0;
        }
    }

    /**
     * 文字列の値を返します。
     *
     * @return 文字列の値
     */

	if !isValidRegion(sRegion, region) {
		return ch, ErrAuthorizationHeaderMalformed
	}
	if credElements[2] != string(stype) {
		if stype == serviceSTS {
			return ch, ErrInvalidServiceSTS
		}
		return ch, ErrInvalidServiceS3
	}
	cred.scope.service = credElements[2]
	if credElements[3] != "aws4_request" {
		return ch, ErrInvalidRequestVersion
	}
	cred.scope.request = credElements[3]

	"sync/atomic"
)

// GetByteBuffer returns a byte buffer from the pool.
var GetByteBuffer = func() []byte {
	return make([]byte, 0, 4096)
}

// Sub - subscriber entity.
type Sub[T Maskable] struct {
	ch     chan T
	types  Mask
	filter func(entry T) bool
}

// PubSub holds publishers and subscribers
type PubSub[T Maskable, M Maskable] struct {
	// atomics, keep at top:
	types          uint64