import { Ref } from 'vue';
import { fabric } from '../../../../../shared/utils/fabricjs';
import { IPropItems, IPointTipProps, IObject } from '../../../../../components/fabric-chart/src/interface';
export declare function useLeft(canvas: Ref<fabric.Canvas>, propItems: IPropItems, emits: Function, setPopup: Function, pointTipProps: IPointTipProps, computedX: Function, computedY: Function, getXValue: Function, getYValue: Function, isAddPoint: Function, updateData: Function, gridPoints: Set<IObject>): {
    drawScaleValue: (yScaleValueList: any[]) => void;
};