if globalServiceFreezeCnt <= 0 {
		// Set to a nil channel.
		var _ch chan struct{}
		if val := globalServiceFreeze.Swap(_ch); val != nil {
			if ch, ok := val.(chan struct{}); ok && ch != nil {
				// Close previous non-nil channel.
				xioutil.SafeClose(ch)
			}
		}
		globalServiceFreezeCnt = 0 // Don't risk going negative.
	}
	globalServiceFreezeMu.Unlock()

            for (int i = 0; i < s.length(); i++) {
                final char ch = s.charAt(i);
                if (ch == '\\' && i < s.length() - 1) {
                    i++;
                    sb.append(s.charAt(i));
                } else {
                    sb.append(ch);
                }
            }
            return sb.toString();
        }
        return s;
    }

            for (int i = 0; i < s.length(); i++) {
                final char ch = s.charAt(i);
                if (ch == '\\' && i < s.length() - 1) {
                    i++;
                    sb.append(s.charAt(i));
                } else {
                    sb.append(ch);
                }
            }
            return sb.toString();
        }
        return s;
    }

						switch {
						case isCreateEvent:
							ch <- iamWatchEvent{
								isCreated: true,
								keyPath:   string(event.Kv.Key),
							}
						case isDeleteEvent:
							ch <- iamWatchEvent{
								isCreated: false,
								keyPath:   string(event.Kv.Key),
							}
						}

					}
				}
			}
		}
	}()
	return ch

            } else if ("item".equals(qName)) {
                buffer.setLength(0);
            }
        }

        @Override
        public void characters(final char[] ch, final int offset, final int length) {
            buffer.append(new String(ch, offset, length));
        }

        @Override
        public void endElement(final String uri, final String localName, final String qName) {

        }
        if( p == len ) {
            return null;
        }

                                               /* collect server name */
        while ( p < len && ( ch = pathInfo.charAt( p )) != '/' ) {
            out[i++] = ch;
            p++;
        }
        while( p < len && pathInfo.charAt( p ) == '/' ) {
            p++;
        }

        ImmutableBiMap.<String, String>builder()
            .put("CDN_LOOP", "CDN-Loop")
            .put("ETAG", "ETag")
            .put("SOURCE_MAP", "SourceMap")
            .put("SEC_CH_UA_WOW64", "Sec-CH-UA-WoW64")
            .put("SEC_WEBSOCKET_ACCEPT", "Sec-WebSocket-Accept")
            .put("SEC_WEBSOCKET_EXTENSIONS", "Sec-WebSocket-Extensions")
            .put("SEC_WEBSOCKET_KEY", "Sec-WebSocket-Key")

        ImmutableBiMap.<String, String>builder()
            .put("CDN_LOOP", "CDN-Loop")
            .put("ETAG", "ETag")
            .put("SOURCE_MAP", "SourceMap")
            .put("SEC_CH_UA_WOW64", "Sec-CH-UA-WoW64")
            .put("SEC_WEBSOCKET_ACCEPT", "Sec-WebSocket-Accept")
            .put("SEC_WEBSOCKET_EXTENSIONS", "Sec-WebSocket-Extensions")
            .put("SEC_WEBSOCKET_KEY", "Sec-WebSocket-Key")

        while ( p < len && ( ch = pathInfo.charAt(p) ) != '/' ) {
            out[ i++ ] = ch;
            p++;
        }
        while ( p < len && pathInfo.charAt(p) == '/' ) {
            p++;
        }
        if ( p < len ) { /* then there must be a share */
            out[ i++ ] = '/';
            do { /* collect the share name */
                out[ i++ ] = ( ch = pathInfo.charAt(p++) );
            }

     * charを含んでいるかどうか返します。
     *
     * @param str
     *            文字列
     * @param ch
     *            char
     * @return charを含んでいるかどうか
     */
    public static boolean contains(final String str, final char ch) {
        if (isEmpty(str)) {
            return false;
        }
        return str.indexOf(ch) >= 0;
    }

    /**
     * 文字列を含んでいるかどうか返します。
     *
     * @param s1