import { FinderIconSize, FinderSortKey } from './FinderContext';
export declare const iconViewIconSize: (themeBase: number, step: FinderIconSize) => number;
export declare const listViewIconSize: (themeBase: number, step: FinderIconSize) => number;
/**
 * The subset of file-system metadata the six Mac OS 8 sort keys need, named
 * without the `_` prefix so callers must map deliberately rather than passing
 * a raw entry and silently sorting by a field that does not exist.
 */
export type FinderSortableEntry = {
    name: string;
    modifiedOn?: Date;
    createdOn?: Date;
    size?: number;
    kind?: string;
    label?: string;
};
/**
 * Comparators for "Keep arranged by". Entries missing the sort field always
 * sort last, and every comparator breaks ties by name so the layout is
 * deterministic — icon positions are derived from this order, and an unstable
 * sort would make icons jump between renders.
 */
export declare const finderEntryComparator: (key: FinderSortKey) => (a: FinderSortableEntry, b: FinderSortableEntry) => number;
/**
 * Formats a list-view date column. Both `value` and `now` must already be in
 * the SAME frame — the caller converts the store's virtual clock with
 * `toLocalDate(dateTime, tzOffset)` and passes the result as `now`. Mixing an
 * in-world "now" with a raw UTC file date would make "Today" wrong by the
 * timezone offset, so the conversion deliberately lives at the call site and
 * this function stays pure.
 *
 * Formatting is hand-rolled rather than Intl-based so the output is identical
 * in every locale the tests and the app might run under.
 */
export declare const formatFinderDate: (value: Date | undefined, now: Date, relative: boolean) => string;
/**
 * Coerces a file-system date field into a Date. `ClassicyFileSystem` persists
 * its tree through JSON.stringify/JSON.parse, so a field seeded as a Date
 * comes back as an ISO string — calling Date methods on it would throw.
 * Everything reading `_modifiedOn` / `_createdOn` goes through here.
 */
export declare const asFinderDate: (value: unknown) => Date | undefined;
//# sourceMappingURL=FinderViewOptions.d.ts.map