type HistoryItem = {
    color: number[];
    alpha: number;
};
declare const defaultPalette: HistoryItem[];
type DispatchOptions = {
    limit: number;
    defaultHistory: HistoryItem[];
    allowedAlpha: boolean;
};
declare function useHistory(options?: Partial<DispatchOptions>, onChange?: (value: {
    color: number[];
    alpha: number;
}[]) => void): {
    histories: import('vue').ComputedRef<{
        color: number[];
        alpha: number;
    }[]>;
    history: () => {
        remove: (props: HistoryItem) => void;
        create: (props: HistoryItem) => void;
        clear: () => void;
        init: () => void;
    };
};
export { useHistory, defaultPalette, type HistoryItem };