import { ExperimentStatsSchema } from '../types';
/**
 * Generates a random name by combining an adjective and a noun.
 * @returns A string containing a randomly generated name in the format "adjective-noun".
 */
export declare function genRandomName(): string;
/**
 * Calculates the average of an array of numbers and returns it as a string.
 * @param values - An array of numbers to calculate the average from.
 * @param isCost - A boolean indicating whether the values represent cost (defaults to false).
 * @returns A string representation of the average, with either 2 or 5 decimal places depending on isCost.
 */
export declare function calculateAvgAsString(values: number[] | undefined, isCost?: boolean): string;
/**
 * Calculates average statistics for an experiment based on its trace stats.
 * @param experimentStats - An object containing experiment statistics, including trace stats.
 * @returns An object with average values for various metrics (latency, tokens, cost, and scores).
 */
export declare function calculateAvgStdForExperiment(experimentStats: ExperimentStatsSchema): {
    [key: string]: string;
};