import HeaderObject, { Accessor } from "../../types/HeaderObject";
import { ColumnVisibilityState } from "../../types/ColumnVisibilityTypes";
import { FlattenedHeader } from "../../types/FlattenedHeader";
export type { FlattenedHeader };
export declare const findAndMarkParentsVisible: (headers: HeaderObject[], childAccessor: Accessor, visited?: Set<string>) => void;
export declare const areAllChildrenHidden: (children: HeaderObject[]) => boolean;
export declare const updateParentHeaders: (headers: HeaderObject[]) => void;
export declare const buildColumnVisibilityState: (headers: HeaderObject[]) => ColumnVisibilityState;
export declare const findClosestValidSeparatorIndex: ({ flattenedHeaders, draggingRow, hoveredRowIndex, isTopHalfOfRow, }: {
    flattenedHeaders: FlattenedHeader[];
    draggingRow: FlattenedHeader;
    hoveredRowIndex: number;
    isTopHalfOfRow: boolean;
}) => number | null;