import { TimeScale, TimeSeries, TimeSeriesData, TimeSeriesValueTuple } from '../model';
export declare const MIN_STEP_INTERVAL_MS = 10;
/**
 * Given a common time scale (see `getCommonTimeScale`), generates an array of
 * timestamp values in ms for the x axis of a graph.
 */
export declare function getXValues(timeScale: TimeScale): number[];
/**
 * Given a TimeSeries from a query and a common time scale (see `getCommonTimeScale`),
 * processes the time series values, filling in any timestamps that are missing
 * from the time series data with `null` values.
 */
export declare function getTimeSeriesValues(series: TimeSeries, timeScale: TimeScale): TimeSeriesValueTuple[];
/**
 * [DEPRECATED] Used for legacy LineChart 'category' axis approach.
 * Given a TimeSeries from a query and a common time scale (see `getCommonTimeScale`),
 * gets the values for the y axis of a graph, filling in any timestamps that are
 * missing from the time series data with `null` values.
 */
export declare function getYValues(series: TimeSeries, timeScale: TimeScale): Array<number | null>;
/**
 * Given a list of running queries, calculates a common time scale for use on
 * the x axis (i.e. start/end dates and a step that is divisible into all of
 * the queries' steps).
 */
export declare function getCommonTimeScale(seriesData: Array<TimeSeriesData | Pick<TimeSeries, 'values'> | undefined>): TimeScale | undefined;
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