specimenPhoto top-level property
The photo of the simulated card: a 200 by 260 JPEG of a person who does not exist.
Implementation
final Uint8List specimenPhoto = base64Decode(
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'BQIEAwYGAwEAAAAAAQACAwQRBRIhMUEGURMiYXGBkaEHFDJCscEjM1JictEVQ+Hw/8QAGQEA'
'AwEBAQAAAAAAAAAAAAAAAAECAwQF/8QAIREBAQACAgMBAAMBAAAAAAAAAAECEQMxEiFBURMy'
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);