@Contract(pure = true)
  @ApiStatus.ScheduledForRemoval
  @Deprecated
  public static @NotNull @NonNls String formatDuration(long duration, @NotNull String unitSeparator) {
    return Formats.formatDuration(duration, unitSeparator);
  }
@Contract(pure = true)
  @ApiStatus.ScheduledForRemoval
  @Deprecated
  public static @NotNull @NonNls String formatDuration(long duration, @NotNull String unitSeparator)