BugDomain: lib.d.tsHelp Wanted
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描述
🔎 Search Terms
In https://github.com/microsoft/TypeScript/pull/57027 MIDIMessageEvent.data was changed from Uint8Array to Uint8Array | null (see https://github.com/microsoft/TypeScript/pull/57027/files#diff-dc0eab937d15e62545da3ed7b4f40ad6b24f15dd88fbc6ceda2bfb4ed8356eb0L14670).
According to https://developer.mozilla.org/en-US/docs/Web/API/MIDIMessageEvent/data data the value will always be an Uint8Array.
🕗 Version & Regression Information
This changed in #57027
⏯ Playground Link
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💻 Code
🙁 Actual behavior
'event.data' is possibly 'null'.ts(18047)
🙂 Expected behavior
No warning about data property possibly being null.
Additional information about the issue
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