import { CSSResultOrNative, PropertyValueMap } from 'lit';
import type { FunctionComponent } from 'react';
import { LitCreatable } from '../../engine';
import { BkBase } from '../bk-base';
import type { Bootstrapper, Listener } from '../bk-base';
import { Labels } from '../localized-components';
import { StyledComponent } from '../styled-components';
/**
 * @superclass
 * @description BackOffice library react-rendering component superclass
 * for Lit-based webcomponents. Extends `BkBase` and its properties
 */
export declare class BkComponent<P = {
    children?: React.ReactNode;
}, L extends Labels = Labels> extends BkBase<L> implements LitCreatable<P>, StyledComponent {
    protected dynamicStyleSheet?: string;
    _adoptedStyleSheets: CSSResultOrNative[];
    set stylesheet(s: string | undefined);
    get stylesheet(): string | undefined;
    Component: FunctionComponent<P>;
    create?: () => P;
    constructor(Component: FunctionComponent<P>, create?: () => P, listeners?: Listener | Listener[], bootstrap?: Bootstrapper | Bootstrapper[]);
    private _shouldRenderWhenConnected;
    protected firstUpdated(_changedProperties: PropertyValueMap<any> | Map<PropertyKey, unknown>): void;
    protected updated(changedProperties: Map<string | number | symbol, unknown>): void;
    connectedCallback(): void;
    disconnectedCallback(): void;
}