/**
 * The fill colours and image are handed to CSS as custom properties. They live
 * in the `--wds-` namespace because the global-css bundler prefixes every
 * authored custom property outside `--wds-` / `--wsr-` with the versioned
 * namespace, which would leave these unreachable from the inline style.
 */
export declare const FILL_PREVIEW_BACKGROUND_COLOR_PROPERTY: (index: number) => string;
export declare const FILL_PREVIEW_BACKGROUND_IMAGE_PROPERTY: string;
export declare const FILL_PREVIEW_BACKGROUND_SIZE_PROPERTY: string;
export declare const classes: {
    button: (props?: ({} & {
        selected?: boolean | null | undefined;
        empty?: boolean | null | undefined;
    } & object) | undefined, ...classes: (string | false | null | undefined)[]) => string;
    content: (props?: ({
        readonly colorCount?: false | "1" | "2" | "3" | "4" | null | undefined;
    } & {} & object) | undefined, ...classes: (string | false | null | undefined)[]) => string;
    root: (props?: ({
        readonly size?: false | "small" | "medium" | "large" | "tiny" | "extraTiny" | null | undefined;
    } & {} & object) | undefined, ...classes: (string | false | null | undefined)[]) => string;
    colorBackdrop: (props?: ({} & {} & object) | undefined, ...classes: (string | false | null | undefined)[]) => string;
    imageBackdrop: (props?: ({} & {} & object) | undefined, ...classes: (string | false | null | undefined)[]) => string;
};
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