/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
import { IStateService } from "../node/state.mjs";
export declare const IStateMainService: import("../../instantiation/common/instantiation.mjs").ServiceIdentifier<IStateMainService>;
export interface IStateMainService extends IStateService {
    readonly _serviceBrand: undefined;
    setItem(key: string, data?: object | string | number | boolean | undefined | null): void;
    setItems(items: readonly {
        key: string;
        data?: object | string | number | boolean | undefined | null;
    }[]): void;
    removeItem(key: string): void;
    close(): Promise<void>;
}