public void METHOD_1 ( TYPE_1 VAR_1 ) { VAR_2 = VAR_1 ; if ( ( VAR_2 ) instanceof TYPE_2 ) { ( ( TYPE_2 ) ( VAR_2 ) ) . METHOD_2 ( this ) ; } } 

public void METHOD_1 ( TYPE_1 VAR_1 ) { if ( ( VAR_1 instanceof TYPE_2 ) && ( ( this . VAR_2 ) == null ) ) { this . VAR_2 = VAR_1 ; ( ( TYPE_2 ) ( VAR_2 ) ) . METHOD_2 ( this ) ; } } 
