import { ApolloClient, DocumentNode } from '@apollo/client';
import { MockLinkOptions } from './mockLink';
import { IMockSubscription } from './mockSubscription';
export type RequestHandler<TData = any, TVariables = any> = (variables: TVariables) => Promise<RequestHandlerResponse<TData>> | IMockSubscription<TData>;
export type RequestHandlerResponse<T> = {
    data: T;
} | {
    errors: any[];
};
export type MockApolloClient = ApolloClient & {
    setRequestHandler: (query: DocumentNode, handler: RequestHandler) => void;
    removeRequestHandler: (query: DocumentNode) => void;
};
export type MockApolloClientOptions = Partial<Omit<ApolloClient.Options, 'link'>> & Partial<MockLinkOptions>;
export declare const createMockClient: (options?: MockApolloClientOptions) => MockApolloClient;