import { ModuleNamespace } from 'vite/types/hot.js';
/**
 * Update web component proxies when a module is updated.
 *
 * @remarks
 * You should not need to call this function directly - it will be inserted
 * automatically when running in serve mode.
 *
 * @private
 */
export declare function handleHmrUpdate(newModules: (ModuleNamespace | undefined)[]): void;
/** @private */
export type HmrComponentMeta = {
    readonly tagName: string;
    /**
     * 2nd tuple element ("attribute") is missing when attribute name can be
     * trivially inferred from the property name (using camelToKebab()).
     * If 2nd tuple element is empty string, it means the property does not have
     * an attribute.
     */
    readonly properties: (readonly [property: string, attribute: string] | readonly [property: string])[];
    readonly asyncMethods: readonly string[];
    readonly syncMethods: readonly string[];
};
/**
 * Update lazy component meta
 *
 * @remarks
 * You should not need to call this function directly - it will be inserted
 * automatically when running in serve mode.
 *
 * @private
 */
export declare function handleComponentMetaUpdate(meta: HmrComponentMeta): void;