public TYPE_1 < TYPE_2 > add ( TYPE_1 < TYPE_2 > a , TYPE_1 < TYPE_2 > b ) { TYPE_3 c = new TYPE_3 ( a , b ) ; VAR_1 . append ( c ) ; return c ; } 

public TYPE_1 < TYPE_2 > add ( TYPE_1 < TYPE_2 > a , TYPE_1 < TYPE_2 > b ) { TYPE_3 c = new TYPE_3 ( a , b ) ; return VAR_1 . append ( c ) ; } 
