anchor.diff:  		public Integer convert(String source) {
   			return Integer.valueOf(source);
   		}
  -
   	}
   ----
   
  
positive.code: 	import java.text.ParseException;
  
  	public interface Parser<T> {
  		T parse(String clientValue, Locale locale) throws ParseException;
  	}
  ----
  
negative.code: 			dateFormat.setLenient(false);
  			return dateFormat;
  		}
  	}
  ----
  
  