import React from 'react';
interface UsePaletteControlProps {
    value: [number, number];
    onChange?: (value: [number, number], e: MouseEvent | React.MouseEvent) => void;
    onChangeComplete?: (value: [number, number]) => void;
}
export declare function useControlBlock({ value, onChange, onChangeComplete, }: UsePaletteControlProps): {
    active: boolean;
    blockRef: React.RefObject<HTMLDivElement>;
    onMouseDown: (ev: React.MouseEvent) => void;
};
export {};