import * as React from 'react';
import { SxProp } from '../../system';
import { AsProp, HTMLAttributes, LiteralUnion } from '../../types';
export declare type SpinnerSizes = 'xs' | 'sm' | 'md' | 'lg' | 'xl';
export interface SpinnerProps extends HTMLAttributes, AsProp, SxProp {
    /** Color of the spinner. */
    color?: string;
    /** Color of the spinner's track. */
    trackColor?: string;
    /** Thickness of the spinner. */
    thickness?: string;
    /** Spinner animation speed. */
    speed?: string;
    /** Spinner size. */
    size?: LiteralUnion<SpinnerSizes>;
}
export declare const Spinner: React.ForwardRefExoticComponent<SpinnerProps & React.RefAttributes<HTMLDivElement>>;