import { ComputedRef } from 'vue';
export declare enum COLUMNS_TYPE {
    LEFT = "left",
    CENTER = "center",
    RIGHT = "right",
    TOP = "top",
    BOTTOM = "bottom"
}
interface UseDragLineConfig {
    /** 最小值 */
    minValue?: number;
}
export interface UseDragLineReturn {
    moveDomDown: (event: MouseEvent, el: HTMLElement, onMouseUp?: () => void) => void;
    start: ComputedRef<number>;
}
export declare function useDragLine(startValue: number, rowType: COLUMNS_TYPE, config?: UseDragLineConfig): UseDragLineReturn;
export {};
