import { type Ref } from 'vue';
import { fabric } from '../../../../../shared/utils/fabricjs';
import { AnyObject } from '../../../../../shared/types';
export declare function useMeasureInstrument(canvas: Ref<fabric.Canvas>, propItems: AnyObject): {
    flag: Ref<boolean, boolean>;
    useMeasureRuler: () => void;
    useCaliper: () => void;
    useCaliperRuler: () => void;
    useRectRuler: () => void;
};