accentIconTheme property Null safety

IconThemeData accentIconTheme
@Deprecated('No longer used by the framework, please remove any reference to it. ' 'For more information, consult the migration guide at ' 'https://flutter.dev/docs/release/breaking-changes/theme-data-accent-properties#migration-guide. ' 'This feature was deprecated after v2.3.0-0.1.pre.'), final

Obsolete property that was originally used when an IconTheme that contrasted well with the accentColor was needed.

The material library no longer uses this property and most uses of accentColor have been replaced with the theme's colorScheme ColorScheme.secondary.

Implementation

@Deprecated(
  'No longer used by the framework, please remove any reference to it. '
  'For more information, consult the migration guide at '
  'https://flutter.dev/docs/release/breaking-changes/theme-data-accent-properties#migration-guide. '
  'This feature was deprecated after v2.3.0-0.1.pre.',
)
final IconThemeData accentIconTheme;