import type { MetricsReport, ProjectFingerprint, SessionSummary } from "../../features/analytics/types";
export interface AnalyticsService {
    ensureAnalyticsDir(directory: string): string;
    appendSessionSummary(directory: string, summary: SessionSummary): boolean;
    readSessionSummaries(directory: string): SessionSummary[];
    writeFingerprint(directory: string, fingerprint: ProjectFingerprint): boolean;
    readFingerprint(directory: string): ProjectFingerprint | null;
    writeMetricsReport(directory: string, report: MetricsReport): boolean;
    readMetricsReports(directory: string): MetricsReport[];
}