import { SleepAnalysisSummary, SleepData, SleepStageTimelineEntry } from '../../types';
import { CoachApi } from './helpers';
export declare const mergeContiguousSleepStages: (timeline: SleepStageTimelineEntry[]) => SleepStageTimelineEntry[];
export declare const compressSleepTimeline: (timeline: SleepStageTimelineEntry[], maxItems?: number) => SleepStageTimelineEntry[];
export declare const normalizeSleepAnalysis: (sleep: SleepData) => SleepAnalysisSummary;
export declare const buildSleepAnalysisSummary: (api: CoachApi, client: {
    checkTokenVaild(): Promise<void>;
}, date?: Date) => Promise<SleepAnalysisSummary>;