/**
 * SlotPicker — day layer + time-chip grid for the meeting scheduler.
 *
 * Day layer is the design system's own `DatePickerCalendar`, in its `bare`
 * variant — the SAME component behind `DatePicker`'s popover and
 * `DateFilterMenu`, not a second day grid styled to look like it; `bare` only
 * drops the card surface and inset it would otherwise draw inside this panel. `fromDate`/`toDate` pin
 * navigation to [current month, current + MAX_MONTH_OFFSET] so the past is
 * unreachable, and `disabledDays` greys out days with no bookable slot —
 * bounds and availability are different questions, so they arrive separately.
 * Month navigation drives the host-proxy `monthOffset`, which is why the month
 * is CONTROLLED here rather than owned by the calendar. Time chips are plain
 * `Button`s whose variant flips on selection — no bespoke pill.
 *
 * LOADING (no blink, ever): the two columns know different amounts, so they
 * load differently. A CALENDAR is fully derivable from the date — which month,
 * which weekday each cell falls on — and only WHICH DAYS ARE BOOKABLE needs
 * the network. So it never unmounts: while a month loads it renders for real
 * with nothing yet selectable, which is exactly true, and lights up in place.
 * Only the times column, which genuinely has no answer until the response
 * lands, shows a placeholder.
 *
 * Swapping the calendar for a skeleton was the old behaviour and it is what
 * made paging months flash: the whole grid vanished and rebuilt to say
 * something it already knew.
 *
 * Each column carries its OWN heading — "Select Date & Time" over the
 * calendar, the chosen day over the chips. The headings live HERE rather than
 * above the whole picker so each sits with the thing it labels, and so the
 * skeletons reproduce them without the parent rendering a heading it cannot
 * keep in step.
 *
 * All slot instants are epoch-ms; every label is rendered in `timezone`
 * (resolved by the parent AFTER mount — this component never reads Intl
 * itself, keeping SSR output deterministic).
 */
export interface SlotPickerProps {
    /** Bookable slot start times (epoch ms) for the selected duration. */
    slots: number[];
    /** IANA zone every label renders in (parent resolves post-mount). */
    timezone: string;
    monthOffset: number;
    onMonthOffsetChange: (offset: number) => void;
    selectedSlot: number | null;
    onSelectSlot: (startMs: number) => void;
    selectedDay: string | null;
    onSelectDay: (dayKey: string) => void;
    /** Availability refetch in flight (month change) → per-region skeletons. */
    isLoading?: boolean;
}
/** Stable per-zone day key for an instant, e.g. "2026-08-14" (exported — the
 *  parent uses it to auto-select the first available day). */
export declare function dayKeyInZone(ms: number, timeZone: string): string;
/** Static label over the calendar. Exported so a host rendering its own
 *  chrome around the picker can stay in step with it. */
export declare const SLOT_PICKER_HEADING = "Select Date & Time";
/** Deterministic month caption for a given offset (fixed en-US locale so
 *  the SSR and client first-paint markup agree byte-for-byte). */
export declare function monthLabelFor(offset: number): string;
/**
 * The slot area before the first response — the pre-mount window while the
 * display timezone resolves, and the first availability request.
 *
 * The calendar half is REAL, not a placeholder: see the module docblock. Only
 * the times column is a skeleton, and it is the same one the loaded picker
 * shows while a month loads, so there is no swap between the two.
 */
export declare function SlotPickerSkeleton({ monthOffset }: {
    monthOffset?: number;
}): import("react").JSX.Element;
/** Same-footprint skeleton for the time-chip column. */
export declare function TimeChipsSkeleton(): import("react").JSX.Element;
export declare function SlotPicker({ slots, timezone, monthOffset, onMonthOffsetChange, selectedSlot, onSelectSlot, selectedDay, onSelectDay, isLoading, }: SlotPickerProps): import("react").JSX.Element;
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