public int METHOD_1 ( ) { if ( ( this . VAR_1 ) != null ) { return this . VAR_1 . METHOD_2 ( ) ; } return - 1 ; } 

public synchronized int METHOD_1 ( ) { if ( ( this . VAR_1 ) != null ) { return this . VAR_1 . METHOD_2 ( ) ; } return - 1 ; } 
