import React from 'react';
export interface SuspenseFallbackProps {
    readonly delay?: number | undefined;
    readonly onMountChanged?: ((mounted: boolean) => void) | undefined;
    readonly onMount?: VoidFunction | undefined;
    readonly onUnmount?: VoidFunction | undefined;
    readonly element?: React.SuspenseProps['fallback'] | undefined;
}
export default function SuspenseFallback({ delay, onMountChanged, onMount, onUnmount, element, }: SuspenseFallbackProps): React.JSX.Element | null;