public < TYPE_1 extends TYPE_2 > void METHOD_1 ( TYPE_1 VAR_1 ) { synchronized ( VAR_2 ) { VAR_3 . add ( VAR_1 ) ; } METHOD_2 ( ) ; } 

public < TYPE_1 extends TYPE_2 > void METHOD_1 ( TYPE_1 VAR_1 ) { synchronized ( VAR_2 ) { VAR_3 . add ( VAR_1 ) ; } METHOD_2 ( null ) ; } 
