export type Direction = -1 | 1;
export type DirectionalChangeReason = 'increment-press' | 'decrement-press' | 'wheel' | 'scrub' | 'keyboard';
export interface ChangeEventCustomProperties {
  direction?: Direction | undefined;
}
export interface IncrementValueParameters {
  direction: Direction;
  event?: Event | React.SyntheticEvent | undefined;
  reason: DirectionalChangeReason;
  currentValue?: number | null | undefined;
}
export interface EventWithOptionalKeyState {
  altKey?: boolean | undefined;
  shiftKey?: boolean | undefined;
}