import 'dart:io';
import 'dart:mirrors';
void main() {
Map a = {
'6' : 6,
};
var b = {
'6' : 6,
};
print(reflect(a).type.reflectedType.toString());
print(reflect(b).type.reflectedType.toString());
}
//https://pt.stackoverflow.com/q/433813/101
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