CardScannerPlugin Exception

Thanks for your effort. I got the below WARNING on start of the app for the package

/Users/apple/.pub-cache/hosted/pub.dev/credit_card_scanner-1.0.5/android/src/main/java/com/nateshmbhat/credit_card_scanner/CardScannerPlugin.java:82: warning: [unchecked] unchecked cast
Map<String, String> map = (Map<String, String>) call.arguments;
^
required: Map<String,String>
found: Object
1 warning