Significance of undefined returns in expo-file-system?

Some functions in the expo-file-system API can resolve to undefined in addition to being rejected, but I can’t find any explanation in the docs of how to interpret such a return value. What is the meaning of an undefined return (as opposed to rejection)?

Hey @orome :wave:
If there’s any function that resolves to the value that is not described in the docs you can treat is as a bug. If such thing is happening to you should definitely create an issue describing such buggy scenario and we’ll investigate it further :muscle:
You can expect every function to return the value described in the docs and the TypeScript API, and the result of the function call should be always either rejection (with a meaningful message/value) or the actual result you’re expecting.

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