import { FC, PropsWithChildren } from 'react';
import { DataGridPickerScrollerProps } from '../../../DataGridPicker';
export interface YearPickerScrollerProps extends DataGridPickerScrollerProps {
    /**
     * A reference (anchor) year used as the logical origin for index calculation.
     *
     * All page indices are resolved relative to this year. Changing the
     * `referenceYear` effectively shifts the entire year grid timeline
     * without altering grouping or layout logic.
     *
     * @default 1970
     */
    referenceYear?: number;
    /**
     * The initial year used to determine the default scroller page
     * when the component is uncontrolled.
     *
     * If no explicit `year` is provided via YearPicker context,
     * the scroller will resolve this year to a page index using
     * `getIndexByYear` and snap to the corresponding group on mount.
     *
     * Falls back to the current calendar year when omitted.
     */
    defaultYear?: number;
    /**
     * Maps a calendar year to the corresponding scroller page index.
     * Use this to support custom grouping logic (variable page sizes,
     * non-contiguous groups, etc.).
     */
    getIndexByYear?(year: number, referenceYear: number): number;
}
/**
 * YearPickerScroller is a semantic wrapper around IndexedSnapScroller
 * that provides paged, scroll-snap navigation for year grids.
 * It enables smooth decade-style scrolling, preserves the active page,
 * and integrates seamlessly with YearPicker layouts. The component
 * accepts all SnapScroller props and adds no custom logic of its own.
 */
export declare const YearPickerScroller: FC<PropsWithChildren<YearPickerScrollerProps>>;