import { NavigationProps } from './interface';
export declare const helper: {
    /**
     * Determines the CSS position property based on whether the component is a submenu.
     *
     * @param {NavigationProps} props - The props containing the isSubmenu flag.
     * @returns {string} The CSS position value.
     */
    getPosition: (props: NavigationProps) => string;
    /**
     * Updates the left margin for positioning based on the menu status.
     *
     * @param {NavigationProps} props - The props containing the isSubmenu flag.
     * @returns {string|undefined} The left margin CSS property value or undefined if not a menu.
     */
    updateMainMenuPosition: (props: NavigationProps) => string | undefined;
    /**
     * Calculates the left property for positioning based on the submenu status.
     *
     * @param {NavigationProps} props - The props containing the isSubmenu flag.
     * @returns {string|undefined} The left CSS property value or undefined if not a submenu.
     */
    getLeft: (props: NavigationProps) => string | undefined;
    /**
     * Provides the appropriate background color depending on whether the component is part of a submenu.
     *
     * @param {NavigationProps} props - The props containing the isSubmenu flag.
     * @returns {string} The CSS color value.
     */
    getBackgroundColor: (props: NavigationProps) => string;
    /**
     * Determines the background style for a menu on hover, based on menu or tab status.
     *
     * @param {NavigationProps} props - The props with status flags.
     * @returns {string|undefined} The CSS background property value.
     */
    getOnHoverMenuBackground: (props: NavigationProps) => string | undefined;
    /**
     * Calculates the bottom property for CSS based on submenu status.
     *
     * @param {NavigationProps} props - The props containing the isSubmenu flag.
     * @returns {number|undefined} The CSS bottom property value or undefined if not applicable.
     */
    getBottom: (props: NavigationProps) => number | undefined;
    /**
     * Generates a border image gradient for tabs.
     *
     * @param {NavigationProps} props - The props containing the isTab flag and theme data.
     * @returns {string|undefined} The CSS border image property value or undefined if not a tab.
     */
    getBorderImage: (props: NavigationProps) => string | undefined;
    /**
     * Determines the slice of the border image to apply, used for tabs.
     *
     * @param {NavigationProps} props - The props containing the isTab flag.
     * @returns {number|undefined} The border-image-slice value or undefined if not a tab.
     */
    getBorderImageSlice: (props: NavigationProps) => number | undefined;
    /**
     * Provides the appropriate border radius depending on widget and submenu status.
     *
     * @param {NavigationProps} props - The props with various layout flags.
     * @returns {string} The CSS border-radius value.
     */
    getBorderRadius: (props: NavigationProps) => string;
    /**
     * Provides the border, used for the menu cards.
     *
     * @param {NavigationProps} props - The props containing the isMenu flag.
     * @returns {number|undefined} The border value or undefined if not a menu.
     */
    getBorder: (props: NavigationProps) => string | undefined;
    /**
     * Provides the border, used for the menu cards.
     *
     * @param {NavigationProps} props - The props containing the isMenu flag.
     * @returns {number|undefined} The border value or undefined if not a menu.
     */
    getMobileBorder: (props: NavigationProps) => string | undefined;
    /**
     * Provides the border margin, used for the menu cards.
     *
     * @param {NavigationProps} props - The props containing the isMenu flag.
     * @returns {number|undefined} The border margin value or undefined if not a menu.
     */
    getMargin: (props: NavigationProps) => string | undefined;
    /**
     * Provides the border padding, used for the menu cards.
     *
     * @param {NavigationProps} props - The props containing the isWidget flag.
     * @returns {number|undefined} The border padding value or undefined if not a menu.
     */
    getPadding: (props: NavigationProps) => string | undefined;
    /**
     * Determines the border radius on hover based on menu and submenu flags.
     *
     * @param {NavigationProps} props - The props containing the isMenu and hasSubmenu flags.
     * @returns {string} The CSS border-radius value on hover.
     */
    getBorderRadiusOnHover: (props: NavigationProps) => string;
    /**
     * Determines the width on the tab menu flag.
     *
     * @param {NavigationProps} props - The props containing the isMenu flag.
     * @returns {string|undefined} The CSS width value or undefined if not a tab.
     */
    getTabMenuWidth: (props: NavigationProps) => string | undefined;
    /**
     * Provides the appropriate menu background depending on menu and submenu status.
     *
     * @param {NavigationProps} props - The props with various layout flags.
     * @returns {string} The CSS background value.
     */
    getMobileMenuBackground: (props: NavigationProps) => string | undefined;
    /**
     * Checks if the given URL is an external link.
     *
     * @param {string} url - The URL to be tested.
     * @returns {boolean} - Returns `true` if the URL is external, otherwise returns `false`.
     */
    isExternalUrl: (url: string) => boolean;
};