import type { MetricFunc } from '../types/dashboard';
interface Series {
    label: string;
    values: (number | null)[];
    valueMap?: Record<string, string>;
}
interface TimeSeriesData {
    timestamps: number[];
    series: Series[];
}
export declare function applyFunctions(data: TimeSeriesData, functions: MetricFunc[]): TimeSeriesData;
export {};
