import type { UmbContextToken } from '../token/index.js';
import type { UmbContextMinimal } from '../types.js';
import type { UmbControllerHostElement } from '../../controller-api/index.js';
declare const UmbContextProviderElement_base: import("../../extension-api/index.js").HTMLElementConstructor<UmbControllerHostElement> & {
    new (): HTMLElement;
    prototype: HTMLElement;
};
/**
 * Provides a value to the context down the DOM tree.
 * @remarks This element is a wrapper around the `provideContext` function.
 * @slot - The context will be available to all descendants given in the default slot.
 * @throws {Error} If the key property is not set.
 * @throws {Error} If the value property is not set.
 */
export declare class UmbContextProviderElement extends UmbContextProviderElement_base {
    /**
     * The value to provide to the context.
     * @optional
     */
    create?: (host: UmbControllerHostElement) => UmbContextMinimal;
    /**
     * The value to provide to the context.
     * @required
     */
    value?: UmbContextMinimal;
    /**
     * The key to provide to the context.
     * @required
     */
    key: string | UmbContextToken;
    static get observedAttributes(): string[];
    attributeChangedCallback(name: string, _oldValue: unknown, newValue: unknown): void;
    constructor();
    connectedCallback(): void;
}
declare global {
    interface HTMLElementTagNameMap {
        'umb-context-provider': UmbContextProviderElement;
    }
}
export {};