code: @Nonnull
    @ReturnsMutableCopy
    public static ByteArrayWrapper create (@Nonnull final String sText, @Nonnull final Charset aCharset)
    {
      return new ByteArrayWrapper (sText.getBytes (aCharset), false);
    }
docs: Wrap the content of a String in a certain charset.
  
  @param sText
  The String to be wrapped. May not be <code>null</code>.
  @param aCharset
  The character set to be used for retrieving the bytes from the
  string. May not be <code>null</code>.
  @return ByteArrayWrapper The created instance. Never <code>null</code>.
  @since 9.2.1