code: @Nonnull
    public static String getWithoutLeadingChars (@Nullable final String sStr, @Nonnegative final int nCount)
    {
      ValueEnforcer.isGE0 (nCount, "Count");
  
      if (nCount == 0)
        return sStr;
      return getLength (sStr) <= nCount ? "" : sStr.substring (nCount);
    }
docs: Get the passed string without the specified number of leading chars.
  
  @param sStr
  The source string. May be <code>null</code>.
  @param nCount
  The number of chars to remove.
  @return An empty, non-<code>null</code> string if the passed string has a
  length &le; <code>nCount</code>.