package javaapplication1;

import java.beans.PropertyChangeListener;

public class SampleBean {

    private Object attr;

    void addPropertyChangeListener(PropertyChangeListener listener) {
    }

    void removePropertyChangeListener(PropertyChangeListener listener) {
    }

    Object getAttr() {
        return attr;
    }

    void setAttr(Object attr) {
        this.attr = attr;
    }

    void method() {
    }
}