import type { Selection } from '../../types';
export declare const getKeySteps: (timebar: string[], selection: Selection) => {
    startKey: number;
    endKey: number;
    steps: number;
};
export declare const getTimeInterval: (timebar: string[], selection: Selection, timeWindowType?: 'moveTime' | 'cumulativeTime', playback?: boolean) => [
    string,
    string
] | undefined;