code: public int getAsIntegerWithDefault(String key, int defaultValue) {
  		Object value = getAsObject(key);
  		return IntegerConverter.toIntegerWithDefault(value, defaultValue);
  	}
docs: Converts map element into an integer or returns default value if conversion
  is not possible.
  
  @param key          a key of element to get.
  @param defaultValue the default value
  @return integer value of the element or default value if conversion is not
  supported.
  
  @see IntegerConverter#toIntegerWithDefault(Object, int)