import type { PositionState, RootCellFn, ScrollIntoViewFn } from "../+types.js";
import type { PositionUnion } from "../../+types.js";
export interface HandleVerticalParams {
    readonly isUp: boolean;
    readonly scrollIntoView: ScrollIntoViewFn;
    readonly gridId: string;
    readonly getRootCell: RootCellFn;
    readonly viewport: HTMLElement;
    readonly cp: PositionState;
    readonly pos: PositionUnion;
    readonly posElement: HTMLElement;
    readonly active: HTMLElement;
    readonly done: () => void;
    readonly modified: boolean;
    readonly rowCount: number;
    readonly isRowDetailExpanded: (rowIndex: number) => boolean;
}
export declare function handleVertical(params: HandleVerticalParams): void;