anchor.diff:  class IconCard extends StatelessWidget {
     final String localIconImagePath;
     final String iconImageUrl;
  +  final Widget icon;
     final Color backgroundColor;
     final Color iconColor;
     final Image backgroundImage;
  
positive.code:     Key key,
      this.localIconImagePath,
      this.iconImageUrl,
      this.backgroundColor,
      this.iconColor,
      this.backgroundImage,
  
negative.code:                                     localIconImagePath,
                                      color: iconColor,
                                    )
                                  : icon != null
                                      ? Center(child: icon)
                                      : null,
                        ),
                      ),
                      Expanded(
  