import type { PlatformTheme } from '../theme/platform-theme.js';
export interface RecordedThemeChange {
    type: 'theme' | 'fontSize';
    value: string;
    timestamp: number;
}
export declare class MockPlatformTheme implements PlatformTheme {
    private currentTheme;
    private currentFontSize;
    private systemTheme;
    private systemThemeListeners;
    private themeChanges;
    applyTheme(theme: string): void;
    applyFontSize(fontSize: string): void;
    getCurrentTheme(): string;
    watchSystemTheme(callback: (theme: string) => void): () => void;
    getCurrentFontSize(): string;
    getThemeChanges(): RecordedThemeChange[];
    getThemeChangesByType(type: 'theme' | 'fontSize'): RecordedThemeChange[];
    simulateSystemThemeChange(theme: string): void;
    getSystemTheme(): string;
    setSystemTheme(theme: string): void;
    getListenerCount(): number;
    reset(): void;
}
//# sourceMappingURL=theme.mock.d.ts.map