export declare const defaultConfig: {
    key: string;
    storeUpdates: boolean;
};
export declare type HandlerConfig = {
    /** The key for storing */
    key?: string;
    /** Should the provider change it's store to reflect the current value */
    storeUpdates?: boolean;
} | null;
export declare type Handler = {
    /** Code to be injected on page load */
    codeInject: string;
    /** Called when the theme changes */
    onChange: (theme: string, type: HandlerTypes) => void;
    /** Returns the theme stored */
    getTheme: () => string | null;
    /** Sets the listener function */
    setListener: (fn: (theme: string | null, type: HandlerTypes) => void) => void;
};
export declare type HandlerTypes = "localStorage" | "sessionStorage" | "cookie" | "url";