docs: public Object execute(final Object value, final CsvContext context) {
  		validateInputNotNull(value, context);
  		
  		final BigDecimal result;
  		if( value instanceof String ) {
  			final String s = (String) value;
  			try {
  				if( symbols == null ) {
  					result = new BigDecimal(s);
  				} else {
  					result = new BigDecimal(fixSymbols(s, symbols));
  				}
  			}
  			catch(final NumberFormatException e) {
  				throw new SuperCsvCellProcessorException(String.format("'%s' could not be parsed as a BigDecimal",
  					value), context, this, e);
  			}
  		} else {
  			throw new SuperCsvCellProcessorException(String.class, value, context, this);
  		}
  		
  		return next.execute(result, context);
  	}