}

    // Read 1 or more decimal digits for a value in 0..255.
    var value = 0
    val groupOffset = i
    while (i < limit) {
      val c = input[i]
      if (c < '0' || c > '9') break
      if (value == 0 && groupOffset != i) return false // Reject unnecessary leading '0's.
      value = value * 10 + c.code - '0'.code
      if (value > 255) return false // Value out of range.
      i++
    }

            String name = (String) e.nextElement();
            String value = props.getProperty(name);
            if (value == null) {
                value = callback.apply(name);
            }
            if (name.startsWith(OVERRIDE_PREFIX)) {
                String overrideName = name.substring(OVERRIDE_PREFIX.length());
                props.put(overrideName, substVars(value, name, props, callback));
            } else {

    public void setCreatedBy(String value) {
        registerModifiedProperty("createdBy");
        this.createdBy = value;
    }

    public Long getCreatedTime() {
        checkSpecifiedProperty("createdTime");
        return createdTime;
    }

    public void setCreatedTime(Long value) {
        registerModifiedProperty("createdTime");
        this.createdTime = value;
    }

    }

    public void setConfigId(String value) {
        registerModifiedProperty("configId");
        this.configId = value;
    }

    public Integer getErrorCount() {
        checkSpecifiedProperty("errorCount");
        return errorCount;
    }

    public void setErrorCount(Integer value) {
        registerModifiedProperty("errorCount");
        this.errorCount = value;
    }

    public void setCreatedBy(String value) {
        registerModifiedProperty("createdBy");
        this.createdBy = value;
    }

    public Long getCreatedTime() {
        checkSpecifiedProperty("createdTime");
        return createdTime;
    }

    public void setCreatedTime(Long value) {
        registerModifiedProperty("createdTime");
        this.createdTime = value;
    }

            assert data == "Session cookie or query token value is: fakesession"
            data = websocket.receive_text()
            assert data == f"Message text was: {message}, for item ID: foo"
            message = "Message two"
            websocket.send_text(message)
            data = websocket.receive_text()
            assert data == "Session cookie or query token value is: fakesession"
            data = websocket.receive_text()

        return value;
    }

    /**
     * 値を設定します。
     *
     * @param value
     *            値
     */
    public void setValue(final T value) {
        this.value = value;
    }

    @Override
    public String toString() {
        return value.toString();
    }

        if (value instanceof final LocalDateTime ldt) {
            final ZonedDateTime zdt = ZonedDateTime.of(ldt, ZoneId.systemDefault());
            super.addFieldToSource(sourceMap, field, DateTimeFormatter.ISO_INSTANT.format(zdt));
        } else {
            super.addFieldToSource(sourceMap, field, value);
        }
    }

    @Override

        if (value instanceof final LocalDateTime ldt) {
            final ZonedDateTime zdt = ZonedDateTime.of(ldt, ZoneId.systemDefault());
            super.addFieldToSource(sourceMap, field, DateTimeFormatter.ISO_INSTANT.format(zdt));
        } else {
            super.addFieldToSource(sourceMap, field, value);
        }
    }

    @Override

// Singleton contains a pointer to T that must be set once.
// Until the value is set all Get() calls will block.
type Singleton[T any] struct {
	v   *T
	set chan struct{}
}

// NewSingleton creates a new unset singleton.
func NewSingleton[T any]() *Singleton[T] {
	return &Singleton[T]{set: make(chan struct{}), v: nil}
}

// Get will return the singleton value.
func (s *Singleton[T]) Get() *T {
	<-s.set
	return s.v
}