import { ComponentSync } from '../../core/ComponentSync.js';
import './TS_ReadMore.scss';
type Props = {
    text: string;
    collapsedHeight: number;
    readMoreText: (showingMore: boolean) => string;
};
type State = {
    text: string;
    showMore: boolean;
    width?: number;
};
export declare class TS_ReadMore extends ComponentSync<Props, State> {
    private ref;
    private textRef;
    static defaultProps: {
        readMoreText: (showingMore: boolean) => "Read Less" | "Read More";
    };
    protected deriveStateFromProps(nextProps: Props, state: State): State;
    componentDidMount(): void;
    private getCollapsedText;
    private renderButton;
    private renderText;
    render(): import("react/jsx-runtime").JSX.Element;
}
export {};