Many functions of `util` should not be listed in preflight

I tried this:

bring util;

class Foo {
  new() {
    util.shell("sleep 1 && echo Hello > ../file.txt");

    let output = util.shell("cat ../file.txt", throw: true);
    log("{output}");
  }
}

new Foo();

This happened:

An error has occurred:
Failed to compile.

Error: Error executing command "cat ../file.txt". Exited with error: cat: ../file.txt: No such file or directory

I expected this:

No response

Is there a workaround?

No response

Anything else?

Because async functions are called normally (without await) they continue to run in the background and the following lines of code are called.

I think in this case it is better to hide async functions from a preflight block.

Wing Version

0.62.3

Node.js Version

v20.11.0

Platform(s)

MacOS

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