import type { AfterKeyFn, BeforeKeyFn } from "../+types";
import type { ScrollIntoViewFn } from "../../types";
export interface HandleViewportFocusedParams {
    scrollIntoView: ScrollIntoViewFn;
    gridId: string;
    viewport: HTMLElement;
    beforeKey: BeforeKeyFn;
    afterKey: AfterKeyFn;
}
export declare function handleViewportFocused({ beforeKey, afterKey, gridId, viewport, scrollIntoView, }: HandleViewportFocusedParams): void;