import React from "react";
export declare const GlobalStyles: import("styled-components").GlobalStyleComponent<{}, import("styled-components").DefaultTheme>;
type Theme = "dark" | "light" | "system";
type ThemeProviderProps = {
    children: React.ReactNode;
    defaultTheme?: Theme;
    storageKey?: string;
};
type ThemeProviderState = {
    theme: Theme;
    setTheme: (theme: Theme) => void;
};
export declare const darkTheme: {};
export declare const lightTheme: {};
export declare function CustomThemeProvider({ children, defaultTheme, storageKey, ...props }: ThemeProviderProps): React.JSX.Element;
export declare const useTheme: () => ThemeProviderState;
export {};