import type { ApolloClient } from '@apollo/client';
import type { Data, GraphQLError, Variables } from '@apollo-elements/core/types';
import type { ApolloController, VariablesOf } from '@apollo-elements/core';
declare const last: unique symbol;
declare const PolymerApolloElement_base: {
    new (): HTMLElement;
    prototype: HTMLElement;
} & {
    new <D_1 = unknown, V_1 = VariablesOf<D_1>>(): import("@apollo-elements/core").ControllerHost & import("@apollo-elements/core").ApolloElementElement<D_1, V_1>;
    documentType: "document" | "mutation" | "query" | "subscription";
    observedAttributes?: string[];
} & import("@apollo-elements/core").Constructor<{
    getDOMVariables(): unknown | null;
    getDOMGraphQLDocument(): Promise<import("graphql").DocumentNode | null>;
}>;
/**
 * See [ApolloElementInterface](/api/core/interfaces/element/) for more information.
 *
 * @fires {PolymerChangeEvent<Data<D>>} data-changed
 * @fires {PolymerChangeEvent<Variables<D, V>>} variables-changed
 * @fires {PolymerChangeEvent<Error>} error-changed
 * @fires {PolymerChangeEvent<readonly GraphQLError[]>} errors-changed
 * @fires {PolymerChangeEvent<boolean>} loading-changed
 */
export declare class PolymerApolloElement<D = unknown, V = VariablesOf<D>> extends PolymerApolloElement_base<D, V> {
    static readonly is: `polymer-apollo-${'mutation' | 'query' | 'subscription'}`;
    /** @ignore */
    [last]: Map<keyof this, unknown>;
    client: ApolloClient;
    context?: Record<string, unknown>;
    variables: Variables<D, V> | null;
    controller: ApolloController<D, V>;
    dispatchEvent: (event: Event) => boolean;
    data: Data<D> | null;
    error: Error | null;
    errors: readonly GraphQLError[];
    loading: boolean;
    requestUpdate(): void;
    maybeNotify(k: keyof this): void;
}
export {};