library /*isNonNullableByDefault*/;
import self as self;
import "dart:core" as core;
import "dart:_internal" as _in;

static method foo(core::Null? x) → dynamic {
  self::bar(let final Never #t1 = x! in throw new _in::ReachabilityError::•("`null` encountered as the result from expression with type `Never`."));
}
static method bar(core::int y) → dynamic {}
static method main() → dynamic {}