import { EntityBase } from "@vertigis/arcgis-extensions/Entity";
import type { Initializable } from "@vertigis/arcgis-extensions/support/InitializableBase";
import type { Serializable } from "@vertigis/arcgis-extensions/support/Serializable";
import type { ObservableMixin } from "@vertigis/arcgis-extensions/support/observableUtils";
import type { ModelProperties } from "@vertigis/viewer-spec/app-config/common/ModelProperties";
import type { Entity } from "../AppConfig";
import type { MessageBus } from "../messaging";
/**
 * Models contain business logic and state, and are used by components and
 * services to intelligently work with state, including the ability to export
 * and apply component and model state at will.
 */
export interface Model<TProps extends ModelProperties = ModelProperties> extends Entity, Initializable, Serializable<TProps>, ObservableMixin {
}
declare const messagesSymbol: unique symbol;
/**
 * Base implementation of Model.
 */
export declare abstract class ModelBase<TProps extends ModelProperties = ModelProperties> extends EntityBase<TProps> implements Model<TProps> {
    /**
     * This is automatically populated by the framework if not specified.
     */
    protected readonly _itemType: string;
    private [messagesSymbol];
    get messages(): MessageBus;
    set messages(value: MessageBus);
    /**
     * Called to perform initialization of the {@link InitializableBase}.
     * Subclasses should override this method rather than initialize() to
     * perform custom initialization.
     */
    protected _onInitialize(): Promise<void>;
}
export {};