import type * as CSS from 'csstype';
export interface customOutlineProps {
    /**
     * The CSS `outline` property
     */
    outline?: CSS.Property.Outline;
    /**
     * The CSS `outline-offset` property
     */
    outlineOffset?: CSS.Property.OutlineOffset;
    /**
     * The CSS `outline-color` property
     */
    outlineColor?: CSS.Property.OutlineColor;
}
export declare const customOutline: import("styled-system").styleFn;