import type { TopNColumnOptions } from '@kong-ui-public/analytics-utilities';
export type TopNColumnOptionsMap = Record<string, TopNColumnOptions>;
export type TopNColumnStats = {
    sum: number;
    max: number;
};
export type TopNThresholdType = 'warning' | 'error';
type TopNThreshold = NonNullable<TopNColumnOptions['thresholds']>[number];
export declare const getColumnOptions: (options: TopNColumnOptionsMap | undefined, key: string) => TopNColumnOptions | undefined;
export declare const toNumber: (value: unknown) => number | null;
export declare const getColumnStats: (values: Array<number | null>) => TopNColumnStats;
export declare const getRelativeValue: (value: number, stats: TopNColumnStats) => number | null;
export declare const getBarRatio: (value: number, stats: TopNColumnStats, scale: TopNColumnOptions["bar"]) => number;
export declare const getThresholdType: (value: number, thresholds: TopNThreshold[] | undefined) => TopNThresholdType | undefined;
export {};
//# sourceMappingURL=topn-columns.d.ts.map