Entry<Class<? extends @NonNull B>, B> entry) {
    return new ForwardingMapEntry<Class<? extends @NonNull B>, B>() {
      @Override
      protected Entry<Class<? extends @NonNull B>, B> delegate() {
        return entry;
      }

      @Override
      @ParametricNullness
      public B setValue(@ParametricNullness B value) {
        cast(getKey(), value);
        return super.setValue(value);
      }
    };
  }

     *
     * @return the nativeLanMan
     */
    public final String getNativeLanMan() {
        return this.nativeLanMan;
    }

    /**
     * Returns the native operating system string reported by the server.
     *
     * @return the nativeOs
     */
    public final String getNativeOs() {
        return this.nativeOs;
    }

    /**

||(e[t]=null)}return e}function C(t){const n=l(null);for(const[o,r]of e(t)){_(t,o)&&(Array.isArray(r)?n[o]=w(r):r&&"object"==typeof r&&r.constructor===Object?n[o]=C(r):n[o]=r)}return n}function O(e,t){for(;null!==e;){const n=r(e,t);if(n){if(n.get)return D(n.get);if("function"==typeof n.value)return D(n.value)}e=o(e)}return function(){return null}}const v=i(["a","abbr","acronym","address","area","article","aside","audio","b","bdi","bdo","big","blink","blockquote","body","br","button","canvas","ca...

					return e
				}
				var buf bytes.Buffer
				if _, e := msgp.UnmarshalAsJSON(&buf, meta); e != nil {
					return e
				}
				versions[idx] = version{
					Idx:      idx,
					Header:   b,
					Metadata: buf.Bytes(),
				}
				return nil
			})
			if e != nil {
				return nil, e
			}
			enc := json.NewEncoder(buf)
			if e := enc.Encode(struct {
				Versions []version

func (n *DeletedAt) Scan(value interface{}) error {
	return (*sql.NullTime)(n).Scan(value)
}

// Value implements the driver Valuer interface.
func (n DeletedAt) Value() (driver.Value, error) {
	if !n.Valid {
		return nil, nil
	}
	return n.Time, nil
}

func (n DeletedAt) MarshalJSON() ([]byte, error) {
	if n.Valid {
		return json.Marshal(n.Time)
	}
	return json.Marshal(nil)
}

    }
    
    public long getIdleTime() {
        return System.currentTimeMillis() - lastActivityTime;
    }
    
    public boolean isHealthy() {
        return state == ChannelState.ACTIVE || state == ChannelState.ESTABLISHED;
    }
    
    public double getErrorRate() {
        long total = requestsSent.get();
        if (total == 0) return 0.0;
        return (double) errors.get() / total;
    }
    

        this.exception = exception;
    }

    @Override
    public String getSource() {
        return source;
    }

    @Override
    public int getLineNumber() {
        return lineNumber;
    }

    @Override
    public int getColumnNumber() {
        return columnNumber;
    }

    @Override
    public String getLocation() {
        StringBuilder buffer = new StringBuilder(256);

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
}

// GetNonBlocking will return the singleton value or nil if not set yet.
func (s *Singleton[T]) GetNonBlocking() *T {
	select {
	case <-s.set:
		return s.v
	default:
		return nil
	}
}

	switch str {
	case "1", "t", "T", "true", "TRUE", "True", "on", "ON", "On":
		return true, nil
	case "0", "f", "F", "false", "FALSE", "False", "off", "OFF", "Off":
		return false, nil
	}
	if strings.EqualFold(str, "enabled") {
		return true, nil
	}
	if strings.EqualFold(str, "disabled") {
		return false, nil
	}
	return false, fmt.Errorf("ParseBool: parsing '%s': %w", str, strconv.ErrSyntax)
}

  final ImmutableSet<Cell<R, C, V>> createCellSet() {
    return isEmpty() ? ImmutableSet.of() : new CellSet();
  }

  @WeakOuter
  private final class CellSet extends IndexedImmutableSet<Cell<R, C, V>> {
    @Override
    public int size() {
      return RegularImmutableTable.this.size();
    }

    @Override
    Cell<R, C, V> get(int index) {
      return getCell(index);
    }

    @Override