For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.

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get layout$(): Observable<string>

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get layout(): string | undefined

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call.layout$.subscribe((layout) => {
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  console.log('layout:', layout);
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});