import { Ref } from 'vue';
import { Scale } from './scales';
import type { InternalData } from '@/types/dataset';
import type { ContainerSize } from '@/types/size';
import type { Orientation } from '@/types/utils';
export declare function checkNegativeValues(data: Ref<InternalData>): {
    hasNegativeValues: import("vue").ComputedRef<boolean>;
};
export declare function useNegativeValues(containerSize?: ContainerSize, xScale?: Ref<Scale>, yScale?: Ref<Scale>, orientation?: Ref<Orientation>): {
    negativeBarAttributes: import("vue").ComputedRef<{
        width: number;
        height: number;
        transform: string;
    }>;
};
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