import { default as React, ReactNode } from 'react';
type ButtonProps = ({
    as: 'a';
    href: string;
} | {
    as?: 'button';
    href?: never;
}) & {
    onClick?: (event: React.MouseEvent<HTMLButtonElement>) => void;
    onEnabled?: () => void;
    children?: ReactNode | string | JSX.Element | JSX.Element[];
    color?: 'default';
    disabled?: boolean;
    /** Stretches the button to fill the container width. Not mapped in Figma. */
    expand?: 'x';
    htmlType?: 'button' | 'submit' | 'reset';
    loading?: boolean;
    size?: 'large' | 'medium';
    /**
     * Visual type.
     * @deprecated the 'link' value — use the `LinkButton` component instead (matches the Figma "Link Button" set, with sizes and icon slots).
     */
    type?: 'primary' | 'outlined' | 'ghost' | 'link';
    target?: string;
    /** Inverted colors for colored backgrounds (Figma: Negative). */
    negative?: boolean;
    /** Renders as a plain text button (class `btn-text`). Not mapped in Figma. */
    btnText?: boolean;
    /** Icon-only round button (Figma: Style=Icon). */
    round?: boolean;
    className?: string;
    /** Border width modifier (`au-btn--border-*`). Not mapped in Figma. */
    borderWidth?: string;
    elementRef?: React.RefObject<HTMLButtonElement | HTMLAnchorElement>;
};
export declare const Button: React.FC<ButtonProps>;
export {};