import { GitLabActivity, CalendarEvent, AzureDevOpsActivity } from '../types/index.js';
export declare class ActivityCache {
    private cache;
    private cacheTTL;
    private cacheStats;
    load(): Promise<void>;
    save(): Promise<void>;
    private getDateKey;
    private isExpired;
    getGitLabActivity(date: Date): GitLabActivity | null;
    setGitLabActivity(date: Date, activity: GitLabActivity): Promise<void>;
    getGoogleCalendarEvents(date: Date): CalendarEvent[] | null;
    setGoogleCalendarEvents(date: Date, events: CalendarEvent[]): Promise<void>;
    getOutlookCalendarEvents(date: Date): CalendarEvent[] | null;
    setOutlookCalendarEvents(date: Date, events: CalendarEvent[]): Promise<void>;
    getAzureDevOpsActivity(date: Date): AzureDevOpsActivity | null;
    setAzureDevOpsActivity(date: Date, activity: AzureDevOpsActivity): Promise<void>;
    clearAll(): Promise<void>;
    clearAzureDevOps(): Promise<void>;
    clearGitLab(): Promise<void>;
    clearCalendars(): Promise<void>;
    clearExpired(): Promise<void>;
    getCacheStats(): {
        totalHits: number;
        totalRequests: number;
        hitRate: string;
        gitlabHits: number;
        gitlabMisses: number;
        googleHits: number;
        googleMisses: number;
        outlookHits: number;
        outlookMisses: number;
        azureDevopsHits: number;
        azureDevopsMisses: number;
    };
    resetStats(): void;
    getCacheInfo(): {
        gitlabEntries: number;
        googleCalendarEntries: number;
        outlookCalendarEntries: number;
        azureDevopsEntries: number;
        cacheTTL: number;
        cacheFile: string;
    };
    setCacheTTL(ttl: number): void;
}
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