import type { FailureMode } from "@vertigis/arcgis-extensions/FailureMode";
import type { Initializable } from "@vertigis/arcgis-extensions/support/InitializableBase";
import type { MessageBus } from "../messaging";
import type { Service } from "./Service";
declare const ServiceBase_base: (new () => import("@vertigis/arcgis-extensions/support/observableUtils").ObservableMixin) & (abstract new (...args: any[]) => import("@vertigis/arcgis-extensions/support/observableUtils").ObservableMixin);
/**
 * Base implementation for services.
 */
export declare abstract class ServiceBase extends ServiceBase_base implements Service, Initializable {
    messages: MessageBus;
    failureMode: FailureMode;
    private _isInitialized;
    private _isDestroyed;
    private _initializePromise;
    private _destroyPromise;
    /**
     * @inheritdoc
     */
    get isInitialized(): boolean;
    /**
     * @inheritdoc
     */
    get isDestroyed(): boolean;
    /**
     * @inheritdoc
     */
    initialize(): Promise<void>;
    /**
     * @inheritdoc
     */
    destroy(): Promise<void>;
    /**
     * Called to perform initialization of the {@link InitializableBase}.
     * Subclasses should override this method rather than initialize() to
     * perform custom initialization.
     */
    protected _onInitialize(): Promise<void>;
    /**
     * Called to perform cleanup. Subclasses should override this method rather
     * than destroy() to perform custom cleanup.
     */
    protected _onDestroy(): Promise<void>;
}
export {};