import { type Ref } from "vue";
import dayjs from "dayjs";
import type { NGanttTableProps, NGanttTableSlots } from "./gantt-table-types";
import type { TableColumnType } from "ant-design-vue";
import type { TableHelper } from "../../table-helper";
import type { BodyCellSlot, HeaderCellSlot } from "../external-types";
export declare function useGanttChart(bars: Ref<NGanttTableProps["bars"]>, precision: Ref<NGanttTableProps["precision"]>, cellWidth: Ref<NGanttTableProps["cellWidth"]>, dataSource: Ref<NGanttTableProps["dataSource"]>, rowHeight: Ref<number>, ganttBarSlot: NGanttTableSlots["ganttBar"]): {
    column: import("vue").ComputedRef<TableColumnType<TableHelper.RecordType>>;
    bodyCell: BodyCellSlot;
    headerCell: HeaderCellSlot;
    timelineRange: import("vue").ComputedRef<readonly [dayjs.Dayjs, dayjs.Dayjs]>;
};