import type { Constructor } from '@apollo-elements/interfaces';
import { ApolloElementElement } from '@apollo-elements/interfaces/apollo-element';
declare type Type = 'client' | 'subscription' | 'mutation' | 'query';
export declare function getDescriptor<T extends HTMLElement>(host: T): PropertyDescriptorMap;
/**
 * Applies a class' prototype to an element, mixing in the class' properties and methods to the element instance.
 *
 * @param  host Element to apply prototype properties to.
 * @param  klass Class whose prototype to apply to the host element.
 * @param  type Hint about what kind of class/host pair is in question.
 * @param  effects function that will run the first time this element has a class prototype mixed in via this helper.
 * @return Combined `PropertyDescriptorMap` for the instance.
 */
export declare function applyPrototype<T extends ApolloElementElement<any, any>>(// eslint-disable-line @typescript-eslint/no-explicit-any
host: T, klass: Constructor<T> | typeof ApolloElementElement, type: Type, effects?: (host: T) => void): PropertyDescriptorMap;
export {};