code: protected String getPropertyName(String methodName, int prefixLength) {
  		return Character.toLowerCase(methodName.charAt(prefixLength)) + methodName.substring(prefixLength + 1);
  	}
docs: Returns the propertyName based on the methodName. Cuts of the prefix and
  removes first capital.
  
  @param methodName name of method to convert.
  @param prefixLength length of prefix to cut of.
  @return property name.