AppThemeApi

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The AppThemeApi gives access to the current app theme, and allows switching to other options that have been registered as a part of the App.

Signature:

export type AppThemeApi = {
    getInstalledThemes(): AppTheme[];
    activeThemeId$(): Observable<string | undefined>;
    getActiveThemeId(): string | undefined;
    setActiveThemeId(themeId?: string): void;
};

References: AppTheme, Observable