export type HighLow = { high: T; low: T; }; export type HighLowClose = HighLow & { close: T; }; export type OpenHighLowClose = HighLowClose & { open: T; }; export type OpenHighLowCloseVolume = OpenHighLowClose & { volume: T; }; export type HighLowCloseVolume = Omit, 'open'>;