import React from 'react';
import type { ComboBoxItem } from '../../components/ComboBox';
interface ShowcaseProps {
    isDebugMode?: boolean;
}
interface ShowcaseState {
    selectedVariable?: ComboBoxItem;
}
export declare class ThemeShowcase extends React.Component<ShowcaseProps, ShowcaseState> {
    state: ShowcaseState;
    private isUnmounting;
    private variablesDiff;
    constructor(props: ShowcaseProps);
    render(): React.JSX.Element;
    componentWillUnmount(): void;
    private getValues;
    private getItems;
    private handleVariableChange;
    private handleUnexpectedVariableInput;
    private resetVariable;
}
export {};
