const ImageConfiguration({AssetBundle bundle, double devicePixelRatio, Locale locale, Size size, String platform })

Creates an object holding the configuration information for an ImageProvider.

All the arguments are optional. Configuration information is merely advisory and best-effort.

Source 

const ImageConfiguration({
  this.bundle,
  this.devicePixelRatio,
  this.locale,
  this.size,
  this.platform
});