export declare const panelGroupVariants: (props?: ({
    visibility?: "hidden" | "visible" | null | undefined;
} & import("class-variance-authority/dist/types").ClassProp) | undefined) => string;
export declare const panelGroupItemVariants: (props?: ({
    position?: "previous" | "current" | "subsequent" | null | undefined;
    animation?: "slideIn" | null | undefined;
    spacing?: "default" | "withMargin" | null | undefined;
} & import("class-variance-authority/dist/types").ClassProp) | undefined) => string;
