export declare const THEME_STORAGE_KEY = "matterviz-theme";
export declare const COLOR_THEMES: {
    readonly light: "light";
    readonly dark: "dark";
    readonly white: "white";
    readonly black: "black";
};
export declare const AUTO_THEME: "auto";
export type ThemeType = `light` | `dark`;
export declare const THEME_TYPE: Record<ThemeName, ThemeType>;
export type ThemeName = keyof typeof COLOR_THEMES;
export type ThemeMode = ThemeName | typeof AUTO_THEME;
interface ThemeOption {
    value: ThemeMode;
    label: string;
    icon: string;
}
export declare const THEME_OPTIONS: ThemeOption[];
export declare const is_valid_theme_name: (value: string) => value is ThemeName;
export declare const is_valid_theme_mode: (value: string) => value is ThemeMode;
export declare const get_theme_preference: () => ThemeMode;
export declare const save_theme_preference: (mode: ThemeMode) => void;
export declare const declared_color_scheme: (element: Element) => ThemeType | null;
export declare const nearest_declared: (element: Element | null, read?: (element: Element) => ThemeType | null) => ThemeType | null;
export declare const get_system_mode: () => ThemeType;
export declare const apply_theme_to_dom: (mode: ThemeMode) => void;
export {};