import type { HasChanged, PropertyDeclaration, PropertyDeclarationMap, PropertyValues } from './types.js';
export type * from './types.js';
export declare const notEqual: HasChanged;
export type UpdatedCall<T> = (changed: PropertyValues<T>) => Promise<void> | void;
export declare class ReactiveObject<Interface = any> extends Object {
    #private;
    static elementProperties: PropertyDeclarationMap;
    static createProperty(name: PropertyKey, options?: PropertyDeclaration): void;
    protected static getPropertyDescriptor(name: PropertyKey, key: string | symbol, options: PropertyDeclaration): PropertyDescriptor | undefined;
    static getPropertyOptions(name: PropertyKey): PropertyDeclaration<unknown>;
    private __updatePromise;
    isUpdatePending: boolean;
    hasUpdated: boolean;
    private _$changedProperties;
    constructor(defaultState?: Partial<Interface>);
    private resolvedPromise;
    _initialize(): void;
    requestUpdate(name?: PropertyKey, oldValue?: unknown, options?: PropertyDeclaration): void;
    __enqueueUpdate(): Promise<boolean>;
    protected scheduleUpdate(): void | Promise<unknown>;
    protected performUpdate(): void | Promise<unknown>;
    protected willUpdate(_changedProperties: PropertyValues<this>): void;
    _$didUpdate(changedProperties: PropertyValues<this>): void;
    private __markUpdated;
    get updateComplete(): Promise<boolean>;
    protected getUpdateComplete(): Promise<boolean>;
    protected shouldUpdate(_changedProperties: PropertyValues): boolean;
    /**
     * Used by extensions if they want to run some code before update().
     * This allows users to write code in update() without the
     * need to use super.update().
     */
    protected __update(_changedProperties: PropertyValues): void;
    protected update(_changedProperties: PropertyValues): void;
    protected __updated(_changedProperties: PropertyValues<this>): Promise<void>;
    protected updated(_changedProperties: PropertyValues<this>): Promise<void> | void;
    protected __firstUpdated(_changedProperties: PropertyValues): void;
    protected firstUpdated(_changedProperties: PropertyValues): void;
    protected __postUpdated(_changedProperties: PropertyValues): void;
    protected postUpdated(_diff: Partial<Interface>): void;
    getLocalStatePropertyNames(): string[];
    getLineageStatePropertyNames(): PropertyKey[];
    lineageToJSON: boolean;
    toJSON(options?: {
        removeUndefinedValues: boolean;
    }): Interface;
    fromObject(state: Partial<Interface>): void;
}
export { state } from './decorators/state.js';
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