code: public static void checkMinimumSdkLevel(int minimumSdkLevel) {
      Preconditions.checkArgument(
          isMinimumSdkLevel(minimumSdkLevel),
          "running on Android SDK level %s but requires minimum %s",
          Build.VERSION.SDK_INT,
          minimumSdkLevel);
    }
docs: Throws an {@link IllegalArgumentException} if {@link #isMinimumSdkLevel(int)} is {@code false}
  on the given level.
  
  @see android.os.Build.VERSION_CODES