Which algorithm matlab ga and multiobjective ga in optimization toolbox implement

I trying to figure out which algorithms are built in GA and multi-objective GA in optimization toolbox. I feel its inbuilt features like applying constraints etc can help newbie like me to easily implement research problem. I have to solve my multi-objective research problem using strength pareto evolutionary algorithm (SPEA2). Please advise if SPEA2 operations support is available built in Matlab optimization toolbox?

[Walter Roberson]

Duplicate question merged into original https://www.mathworks.com/matlabcentral/answers/347254-can-spea2-algorithm-be-implemted-using-matlab-optimization-toolbox