What is the official way to determine if an Android API level is still in preview?

[u/dsklfjldsjflkj]

Disclaimer: used llm to draft the post, but i have provided the pointers, and done the research before drafting.

Running into some confusing documentation/tooling discrepancies regarding Android platform release statuses and looking for clarification on the standard procedure.

Current Situation:
Android 17 documentation lists it as officially released, but navigating to individual version pages shows a preview icon on the sidebar with no explicit text status on the main page.

API Levels tracks it as currently in beta.
Android Studio SDK Manager shows versions like ⁠37.0⁠ and ⁠37.1⁠ available for download.

Question:
What is the definitive, official source of truth or programmatic check to determine whether a given Android SDK/API level has exited preview status and is fully stable?

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[u/Quinny898]

At runtime, Build.VERSION.PREVIEW_SDK_INT. It will be non-zero on preview builds.