import * as _angular_core from '@angular/core';
import { Provider } from '@angular/core';

type ThemeMode = 'light' | 'dark' | 'auto' | 'season' | 'high-contrast';
type SeasonalTheme = 'spring' | 'summer' | 'autumn' | 'winter';
declare class ThemeService {
    private readonly platformId;
    private readonly destroyRef;
    private readonly _currentTheme;
    private readonly _isSystemDark;
    private mediaQueryCleanup?;
    readonly currentTheme: _angular_core.Signal<ThemeMode>;
    readonly isSystemDark: _angular_core.Signal<boolean>;
    readonly currentSeason: _angular_core.Signal<SeasonalTheme>;
    readonly effectiveTheme: _angular_core.Signal<ThemeMode | SeasonalTheme>;
    readonly isLightTheme: _angular_core.Signal<boolean>;
    readonly isDarkTheme: _angular_core.Signal<boolean>;
    readonly isHighContrastTheme: _angular_core.Signal<boolean>;
    readonly isSeasonTheme: _angular_core.Signal<boolean>;
    constructor();
    private initializeBrowserFeatures;
    private getInitialTheme;
    private getInitialSystemPreference;
    private watchSystemPreference;
    private applyThemeToDOM;
    setTheme(theme: ThemeMode): void;
    toggleTheme(): void;
    resetToSystemPreference(): void;
    getCurrentTheme(): ThemeMode;
    getEffectiveTheme(): ThemeMode | SeasonalTheme;
    private cleanup;
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<ThemeService, never>;
    static ɵprov: _angular_core.ɵɵInjectableDeclaration<ThemeService>;
}

declare class ThemeSwitcherComponent {
    protected readonly themeService: ThemeService;
    protected readonly currentTheme: _angular_core.Signal<ThemeMode>;
    private static readonly SEASON_ICONS;
    protected readonly seasonIcon: _angular_core.Signal<string>;
    protected readonly themeIcon: _angular_core.Signal<string>;
    protected readonly themeOptions: {
        value: ThemeMode;
        label: string;
        icon: string;
    }[];
    protected selectTheme(theme: ThemeMode): void;
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<ThemeSwitcherComponent, never>;
    static ɵcmp: _angular_core.ɵɵComponentDeclaration<ThemeSwitcherComponent, "c2g-theme-switcher", never, {}, {}, never, never, true, never>;
}

/**
 * Providers for the C2G Theme system that includes all necessary CDK dependencies
 */
declare const C2G_THEME_PROVIDERS: Provider[];
/**
 * Mock providers for testing or SSR environments where CDK might not be needed
 */
declare const C2G_THEME_MOCK_PROVIDERS: Provider[];
/**
 * Smart provider factory that chooses appropriate providers based on environment
 */
declare function getC2GThemeProviders(): Provider[];

declare const C2G_TRANSLATIONS: Record<string, Record<string, unknown>>;

export { C2G_THEME_MOCK_PROVIDERS, C2G_THEME_PROVIDERS, C2G_TRANSLATIONS, ThemeService, ThemeSwitcherComponent, getC2GThemeProviders };
export type { ThemeMode };