interface SetPageMetaProps {
    /** Sets title, meta:og:title. Is postfixed by ` - {siteName}` **/
    title: string;
    /** Sets meta:og:site_name **/
    siteName?: string;
    /** Sets meta:description **/
    description?: string;
    /** Sets meta:og:image **/
    image?: string;
    /** Sets meta:og:locale **/
    locale?: string;
}
interface SetPageMetaReturn {
    /** The current page title, meta:og:title. Is postfixed by ` - {siteName}` **/
    title: string;
    /** The current meta:og:site_name **/
    siteName: string;
    /** The current meta:description **/
    description: string;
    /** The current meta:og:image **/
    image: string;
    /** The current meta:og:locale **/
    locale: string;
}
/**
 * Allows setting common page attrs.
 *
 * - Intelligently use the attrs, only setting if changed
 * - Resets back to initial if omitted, based on initial introspection
 * - Stores element handles in memory to remove need to query the dom
 *   on every update
 *
 * > Note: Set `setPageMeta.testMode=true` to disable setPageMeta for testing
 *
 * @param
 * object: an object of key/val pairs of meta attrs to set
 *
 * @returns
 * object: an object of key/val pairs of meta attrs that are currently set
 *
 * @dependency
 *
 * The page should already have default meta tags. Example:
 *
 * ```html
 * <title>React Template</title>
 * <meta property="og:title" content="React template" />
 * <meta property="og:site_name" content="React Template" />
 * <meta property="og:locale" content="en_US" />
 * <link rel="canonical" href="https://react-template.com" />
 * <meta
 *   name="description"
 *   content="A template to build tiny Preact applications"
 * />
 * <meta
 *   property="og:description"
 *   content="A template to build tiny React applications"
 * />
 * <meta
 *   property="og:url"
 *   content="https://github.com/bdombro/react-template"
 * />
 * <meta
 *   property="og:image"
 *   content="https://preact-template.com/apple-touch-icon.png"
 * />
 * ```
 *
 * @example
 *
 * ```typescript
 * const {description} = setPageMeta({
 *   title: `Hello World`,
 *   description: 'This page is awesome',
 * })
 * ```
 */
export declare function setPageMeta(p: SetPageMetaProps): SetPageMetaReturn;
export declare namespace setPageMeta {
    var testMode: boolean;
}
export {};