/**
 * A single app's usage record for a specific date.
 */
export interface AppUsageRecord {
    /** Package name (Android) or bundle identifier (iOS). */
    trackId: string;
    /** Foreground usage time in seconds. */
    usage: number;
    /** Date in YYYY-MM-DD format (device local timezone). */
    date: string;
}
/**
 * A daily report containing usage data for all apps.
 */
export interface DailyUsageReport {
    /** Date in YYYY-MM-DD format (device local timezone). */
    date: string;
    /** Array of per-app usage records for this day. */
    data: Array<{
        trackId: string;
        usage: number;
    }>;
}
/**
 * Stable error codes thrown by the module.
 */
export type UsageStatsErrorCode = 'E_PERMISSION_DENIED' | 'E_NOT_SUPPORTED' | 'E_UNKNOWN';
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