library #lib /*isNonNullableByDefault*/;
import self as self;
import "dart:core" as core;

static method main() → dynamic {
  dynamic x = [@vm.inferred-type.metadata=dart.core::_List<dart.core::int?>] core::_List::•<core::int?>(10);
  [@vm.direct-call.metadata=dart.core::_IntegerImplementation.+??] [@vm.direct-call.metadata=dart.core::_Array.[]] [@vm.inferred-type.metadata=int? (receiver not int)] x{dynamic}.[](0){dynamic}.+(10);
}