kDefaultContentInsertionMimeTypes top-level constant
The default mime types to be used when allowedMimeTypes is not provided.
The default value supports inserting images of any supported format.
Implementation
const List<String> kDefaultContentInsertionMimeTypes = <String>[
  'image/png',
  'image/bmp',
  'image/jpg',
  'image/tiff',
  'image/gif',
  'image/jpeg',
  'image/webp',
];