import { TimeSeriesResultSet } from '../Result/Result';
import { SupportedTimeFunctions } from './types';
export declare const LINEAR_FORECAST_KEY = "forecast_linear_avg";
export declare const CURRENT_FORECAST_KEY = "current_linear_avg";
export declare function linearForecast(data: TimeSeriesResultSet[], forecastUnits: number, key: string, timeUnit: SupportedTimeFunctions, includeForecast?: boolean): {
    [x: string]: number | Date | undefined;
    x: Date;
}[];
