import React from 'react';
type Props = {
    children: React.ReactElement<{
        ref?: React.Ref<unknown>;
    }>;
    state?: {};
};
export declare class ClassStateMock extends React.Component<Props> {
    static cosmosCapture: boolean;
    childRef: React.Component | null;
    render(): React.ReactElement<{
        ref?: React.Ref<unknown>;
    }, string | React.JSXElementConstructor<any>>;
    componentDidUpdate(prevProps: Props): void;
    handleRef: (childRef: React.Component | null) => void;
}
export {};