public TYPE_1 METHOD_1 ( final TYPE_1 VAR_1 ) { if ( this . VAR_2 . contains ( VAR_1 ) ) { throw new TYPE_2 ( ( ( STRING_1 + ( VAR_1 . getName ( ) ) ) + STRING_2 ) ) ; } this . VAR_2 . add ( VAR_1 ) ; VAR_1 . METHOD_2 ( this ) ; return VAR_1 ; }

public TYPE_1 METHOD_1 ( final TYPE_1 VAR_1 ) { if ( VAR_2 . contains ( VAR_1 ) ) { throw new TYPE_2 ( ( ( STRING_1 + ( VAR_1 . getName ( ) ) ) + STRING_2 ) ) ; } VAR_2 . add ( VAR_1 ) ; VAR_1 . METHOD_2 ( this ) ; return VAR_1 ; }
