import { type CanisterOptions } from "@dfinity/utils";
import type { _SERVICE as GovernanceService } from "../candid/governance_test";
import type { Neuron } from "./types/governance_converters";
export declare class GovernanceTestCanister {
    private readonly canisterId;
    private readonly certifiedService;
    private constructor();
    static create(options?: CanisterOptions<GovernanceService>): GovernanceTestCanister;
    /**
     * Test method to update fields of a neuron.
     *
     * Only available in the governance test canister.
     */
    updateNeuron(neuron: Neuron): Promise<[] | [import("../candid/governance_test").GovernanceError]>;
}