/**
 * @title User Profile and Preferences Handler
 * @notice Manages user-specific settings and preferences for an immersive web application.
 * @dev Stores and retrieves user preferences from local storage or a remote database.
 */
 class UserProfileHandler {
    private preferences: Map<string, any> = new Map();

    constructor() {
        this.loadPreferences();
    }

    private loadPreferences() {
        console.log("Loading user preferences...");
        // Load preferences from local storage or a database.
    }

    public setPreference(key: string, value: any) {
        this.preferences.set(key, value);
        console.log(`Preference ${key} set to`, value);
        // Optionally save to local storage or update the database.
    }

    public getPreference(key: string) {
        return this.preferences.get(key);
    }
}