import Collection from "@arcgis/core/core/Collection";
import { Evented } from "@arcgis/core/core/Evented";
import { ObservableMap } from "@vertigis/arcgis-extensions/utilities/ObservableMap";
import type { ComponentModel } from "../models";
import type { Layout } from "./Layout";
/**
 * Represents the state of a layout node.
 */
export declare enum State {
    UNLOADED = 0,
    SUSPENDED = 1,
    ACTIVATED = 2,
    DEACTIVATED = 3,
    FAILED = 4
}
/**
 * Possible types for XML attribute values.
 */
export type AttributeValue = string | number | boolean | undefined;
/**
 * Properties used to initialize a LayoutNode.
 */
export interface LayoutNodeProperties {
    /**
     * Whether the node is part of the layout definition, or a temporary
     * transient component that will be removed when deactivated.
     */
    transient?: boolean;
    /**
     * The node's unique ID. Must conform to valid XML identifier rules.
     */
    id?: string;
    /**
     * The XML element name.
     */
    name: string;
    /**
     * The XML namespace.
     */
    namespace?: string;
}
/**
 * LayoutNode Events.
 */
interface LayoutNodeEvents {
    /**
     * Raised when a nodes attribute changes.
     */
    attributeChange: undefined;
}
declare const LayoutNode_base: typeof Evented & (abstract new (...args: any[]) => import("@vertigis/arcgis-extensions/support/observableUtils").ObservableMixin);
/**
 * A node in a layout tree, representing a component.
 */
export declare class LayoutNode extends LayoutNode_base {
    /**
     * @deprecated Do not directly reference this property. Use EventNames and
     *   EventTypes helpers from @arcgis/core/Evented.
     */
    readonly "@eventTypes": LayoutNodeEvents;
    /**
     * The node's attributes, keyed by attribute name.
     */
    readonly attributes: ObservableMap<string, AttributeValue>;
    /**
     * The node's immediate children.
     */
    readonly children: Collection<LayoutNode>;
    /**
     * Indicates that the node is transient and should not be included in
     * serialization.
     */
    transient: boolean;
    /**
     * The most recent error that occurred while trying to activate the node.
     */
    lastError: Error;
    /**
     * The component model. Only available once the node has been loaded.
     */
    model: ComponentModel;
    private readonly _handles;
    private readonly _name;
    private readonly _namespace;
    private _parent;
    private _state;
    private _visualState;
    private _autoActivate;
    constructor(args: LayoutNodeProperties);
    /**
     * The unique ID for this node.
     */
    get id(): string;
    /**
     * The node name, corresponding to the element name in layout XML.
     */
    get name(): string;
    /**
     * The node's XML namespace.
     */
    get namespace(): string;
    /**
     * The current state of the node.
     */
    get state(): State;
    set state(value: State);
    /**
     * Gets the visual state of the node. The set of visual states is specific
     * to component type.
     */
    get visualState(): string;
    /**
     * Sets the visual state of the node. The set of visual states is specific
     * to component type.
     */
    set visualState(newVisualState: string);
    /**
     * The node's immediate parent.
     */
    get parent(): LayoutNode;
    /**
     * Gets the layout that this layout node is a part of.
     */
    get layout(): Layout;
    /**
     * Determines whether to automatically activate this node when its parent is
     * activated. This will only be respected when the parent node is activated
     * from an unloaded state.
     */
    get autoActivate(): boolean;
    set autoActivate(value: boolean);
    /**
     * All of the node's ancestors.
     */
    get ancestors(): LayoutNode[];
    /**
     * All of the node's descendants in breadth-first search.
     */
    get descendants(): LayoutNode[];
    /**
     * Returns the 'config' attribute for the LayoutNode, which is the ID of its
     * corresponding model.
     */
    get config(): string;
    destroy(): void;
    /**
     * Appends a model ID or model IDs to the current list of models.
     *
     * @param modelIds The model ID(s) to append to the current list of models.
     */
    addModels(modelIds: string | string[]): void;
    /**
     * Removes a model ID or model IDs from the current list of models.
     *
     * @param modelIds The model ID(s) to remove from the current list of
     *   models.
     */
    removeModels(modelIds: string | string[]): void;
}
export {};