public void METHOD_1 ( ) { if ( ( VAR_1 ) != null ) { synchronized ( VAR_1 ) { VAR_1 . METHOD_1 ( ) ; VAR_1 = null ; VAR_2 = null ; } } } 

public void METHOD_1 ( ) { if ( ( VAR_1 ) != null ) { synchronized ( this ) { VAR_1 . METHOD_1 ( ) ; VAR_1 = null ; VAR_2 = null ; } } } 
