void METHOD_1 ( TYPE_1 < ? > VAR_1 ) { synchronized ( this ) { TYPE_2 . METHOD_2 ( VAR_2 , null ) ; } VAR_1 . METHOD_1 ( ) ; } 

void METHOD_1 ( TYPE_1 < ? > VAR_1 ) { synchronized ( this ) { VAR_2 = null ; } VAR_1 . METHOD_1 ( ) ; } 
