public TYPE_1 METHOD_1 ( TYPE_2 < TYPE_1 , ? > VAR_1 ) { METHOD_2 ( VAR_1 ) ; VAR_1 . METHOD_3 ( this ) ; return this ; } 

public TYPE_1 METHOD_1 ( TYPE_2 < TYPE_1 , ? > VAR_1 ) { METHOD_1 ( VAR_1 , new java.util.HashSet < TYPE_1 > ( ) ) ; return this ; } 
