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flutter_document_reader_api_beta
document_reader
TAChallenge
challengePICC property
challengePICC
brightness_4
brightness_5
challengePICC
property
String
?
challengePICC
Implementation
String? get challengePICC => _challengePICC;
flutter_document_reader_api_beta
document_reader
TAChallenge
challengePICC property
TAChallenge class