public TYPE_1 METHOD_1 ( java.util.Collection < ? extends TYPE_2 > VAR_1 ) { TYPE_3 . METHOD_2 ( ( ( this . VAR_1 ) == null ) , STRING_1 ) ; this . VAR_1 = VAR_1 ; return this ; } 

public TYPE_1 METHOD_1 ( java.util.Collection < ? extends TYPE_2 > VAR_1 ) { this . VAR_1 = VAR_1 ; return this ; } 
