import { ReactiveController, ReactiveElement } from 'lit';
export type StateTextContent = ReactiveElement & {
    _internals?: ElementInternals;
};
export declare function stateTextContent<T extends StateTextContent>(): ClassDecorator;
/**
 * Responsible for managing the `--text-content` CSS state based on the text content of the element
 */
export declare class StateTextContentController<T extends StateTextContent> implements ReactiveController {
    #private;
    private host;
    constructor(host: T);
    hostConnected(): void;
    hostDisconnected(): void;
}