OPEN - task 12: javadoc and unit test for sports-core-api 
https://github.com/xaloon/sports-component/issues/issue/12
OPEN - task 12: javadoc and unit test for sports-core-api 
https://github.com/xaloon/sports-component/issues/issue/12
OPEN - task 12: javadoc and unit test for sports-core-api 
https://github.com/xaloon/sports-component/issues/issue/12
OPEN - task 12: javadoc and unit test for sports-core-api 
https://github.com/xaloon/sports-component/issues/issue/12