six-aio.x/@types/vant.d.ts

import type { PickerCancelEventParams, PickerChangeEventParams, PickerColumn, PickerConfirmEventParams, PickerInstance, PickerOption, PickerProps } from 'vant';

declare global {
  declare type VantPickEmits = {
    'update:modelValue': [$event: string[]];
    confirm: [$event: PickerConfirmEventParams];
    cancel: [$event: PickerCancelEventParams];
    change: [$event: PickerChangeEventParams];
    'click-option': [$event: PickerChangeEventParams & { currentOption: PickerOption }];
  };
  declare type VantPickProps = Partial<PickerProps & EmitsToProps<VantPickEmits>>;

  declare type VantPickerInstance = PickerInstance;
  declare type VantPickerColumn = PickerColumn;
}