public TYPE_1 METHOD_1 ( ) { if ( ( VAR_1 ) instanceof TYPE_2 ) { return ( ( TYPE_2 ) ( VAR_1 ) ) . METHOD_1 ( ) ; } else { return METHOD_2 ( ) ; } } 

public TYPE_1 METHOD_1 ( ) { if ( ( VAR_1 ) == null ) return null ; if ( ( VAR_1 ) instanceof TYPE_2 ) { return ( ( TYPE_2 ) ( VAR_1 ) ) . METHOD_1 ( ) ; } else { return METHOD_2 ( ) ; } } 
