public boolean METHOD_1 ( TYPE_1 VAR_1 ) { if ( ( this . VAR_1 ) != null ) { this . VAR_1 = VAR_1 ; return true ; } return false ; } 

public boolean METHOD_1 ( TYPE_1 VAR_1 ) { if ( ( this . VAR_1 ) == null ) { this . VAR_1 = VAR_1 ; return true ; } return false ; } 
