import '@webcomponents/custom-elements/src/native-shim';
import '@webcomponents/custom-elements/custom-elements.min';
export declare abstract class BaseWebComponent extends HTMLElement {
    /**
     * The root shared service scope for all Web Part instances on the page. Use this scope to consume common services (ex: SPHttpClient, HttpClient , etc.)
     */
    _serviceScope: any;
    /**
     * INTERNAL USE ONLY. Array of service scopes of Web Part IDs who registered this web component. Use this array to look up correct service scope for a specific Web Part instance ID.
     */
    _webPartServiceScopes: Map<string, any>;
    /**
     * INTERNAL USE ONLY. Array of service keys of Web Part IDs who registered this web component. Use this array to look up correct service keys context for a specific Web Part instance ID.
     */
    _webPartServiceKeys: Map<string, {
        [key: string]: any;
    }>;
    /**
     * INTERNAL USE ONLY. For custom web component use `_serviceScope` property and the `DateHelper` service (ex: `this._serviceScope.consume<DateHelper>(DateHelper.ServiceKey)`)
     */
    _dayjs: any;
    protected abstract connectedCallback(): void;
    protected disconnectedCallback(): void;
    /**
     * Transforms web component attributes to camel case properties to pass in React components
     * (ex: a 'preview-image' HTML attribute becomes 'previewImage' prop, etc.)
     * @returns the properties with formatted names
     */
    protected resolveAttributes(): {
        [key: string]: any;
    };
    /**
     * Override this method to provide a theme variant fallback when the
     * `data-theme-variant` attribute is not set in the template.
     * The default implementation returns undefined (no fallback).
     */
    protected getThemeVariant(): any;
}
//# sourceMappingURL=BaseWebComponent.d.ts.map