designer/testData/property/FloatingActionButton.java

package android.support.design.widget;

import android.content.Context;
import android.util.AttributeSet;
import android.widget.ImageButton;

public class FloatingActionButton extends ImageButton {
  public FloatingActionButton(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
  }
}