import type { GCalAccessor } from '../../accessor/gcal.ts';
import type { IndexCacheStore } from '../../cache/index/store.ts';
import type { JsonValue, PathSpec } from '../../types.ts';
export declare const CALENDAR_JSON = "gcal/calendar_json";
export declare const EVENT = "gcal/event";
export type CalendarEntryRow = Record<string, JsonValue>;
/** Render the per-calendar metadata file. */
export declare function calendarPayload(entry: CalendarEntryRow, tz: string): Uint8Array;
/** Split a path into `[mount prefix, mount-relative key, virtual key]`. */
export declare function normalize(path: PathSpec): [string, string, string];
/** Map each calendar's directory name to its calendarList entry. */
export declare function calendarIndex(accessor: GCalAccessor): Promise<Map<string, CalendarEntryRow>>;
/**
 * The one zone every day directory on this mount is bucketed in.
 *
 * Defaults to the primary calendar's zone, matching how the Calendar UI
 * draws its grid: bucketing each calendar in its own zone would make the
 * same directory name mean different 24-hour windows on different
 * calendars, so a cross-calendar free/busy comparison would be wrong.
 */
export declare function bucketZone(accessor: GCalAccessor, calendars: Map<string, CalendarEntryRow>): string;
/** List one level of the calendar tree. */
export declare function readdir(accessor: GCalAccessor, path: PathSpec, index?: IndexCacheStore): Promise<string[]>;
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