code: public static Field getDeclaredFieldSilent(Class<?> target, String fieldName) {
  		try {
  			return target.getDeclaredField(fieldName);
  		} catch (Exception e) {
  			return null;
  		}
  	}
docs: <p>
  getDeclaredFieldSilent.
  </p>
  
  @param target
  a {@link java.lang.Class} object.
  @param fieldName
  a {@link java.lang.String} object.
  @return a {@link java.lang.reflect.Field} object.