export const KEYS = {
  DOWN: 40,
  END: 35,
  ESC: 27,
  HOME: 36,
  LEFT: 37,
  PAGE_DOWN: 34,
  PAGE_UP: 33,
  RIGHT: 39,
  UP: 38,
};
export const PERCENT_EMPTY = 0;
export const PERCENT_FULL = 100;
export const DEFAULT_STEP = 1;
export const BACKGROUND_HEIGHT_UNITS = 0.5;
export const DEFAULT_HANDLE_WIDTH_UNITS = 0.8;
export const HORIZONTAL = 'horizontal';
export const VERTICAL = 'vertical';