import type { Constructor, VariablesOf } from '@apollo-elements/core/types';
import type { ApolloQueryElement } from '@apollo-elements/core/types';
type MixinInstance<B extends Constructor> = B & {
    new <D, V = VariablesOf<D>>(...a: any[]): InstanceType<B> & ApolloQueryElement<D, V>;
    documentType: 'query';
};
/**
 * `ApolloQueryMixin`: class mixin for apollo-query elements.
 */
declare function ApolloQueryMixinImpl<B extends Constructor>(superclass: B): MixinInstance<B>;
export declare const ApolloQueryMixin: typeof ApolloQueryMixinImpl;
export {};