public void METHOD_1 ( ) { for ( java.lang.Object key : this . VAR_1 . METHOD_2 ( ) ) this . METHOD_3 ( key ) ; } 

public void METHOD_1 ( ) { for ( java.lang.Object key : new java.util.HashSet < java.lang.Object > ( this . VAR_1 . METHOD_2 ( ) ) ) this . METHOD_3 ( key ) ; } 
