import { type Theme } from '../../utils/theme/color.js';
export type ThemeMode = 'light' | 'dark' | 'system';
export declare class ThemeState {
    mode: ThemeMode;
    seed: string;
    systemPrefersDark: boolean;
    constructor(initialSeed?: string, initialMode?: ThemeMode);
    get effectiveMode(): 'light' | 'dark';
    get theme(): Theme;
    setMode(mode: ThemeMode): void;
    setSeed(seed: string): void;
}
export declare function setThemeContext(seed?: string, mode?: ThemeMode): ThemeState;
export declare function getThemeContext(): ThemeState;
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