import { RowData, Column, Header, HeaderGroup, Table } from '../types';
import { TableFeature } from './table';
export interface CoreHeaderGroup<TData extends RowData> {
    id: string;
    depth: number;
    headers: Header<TData, unknown>[];
}
export interface HeaderContext<TData, TValue> {
    table: Table<TData>;
    header: Header<TData, TValue>;
    column: Column<TData, TValue>;
}
export interface CoreHeader<TData extends RowData, TValue> {
    id: string;
    index: number;
    depth: number;
    column: Column<TData, TValue>;
    headerGroup: HeaderGroup<TData>;
    subHeaders: Header<TData, TValue>[];
    parentHeaderId?: string;
    getParentHeader: () => Header<TData, unknown> | undefined;
    colSpan: number;
    rowSpan: number;
    isCover?: boolean;
    getLeafHeaders: () => Header<TData, unknown>[];
    isPlaceholder: boolean;
    placeholderId?: string;
    getContext: () => HeaderContext<TData, TValue>;
}
export interface HeadersInstance<TData extends RowData> {
    getHeaderGroups: () => HeaderGroup<TData>[];
    getLeftHeaderGroups: () => HeaderGroup<TData>[];
    getCenterHeaderGroups: () => HeaderGroup<TData>[];
    getRightHeaderGroups: () => HeaderGroup<TData>[];
    getFooterGroups: () => HeaderGroup<TData>[];
    getLeftFooterGroups: () => HeaderGroup<TData>[];
    getCenterFooterGroups: () => HeaderGroup<TData>[];
    getRightFooterGroups: () => HeaderGroup<TData>[];
    getFlatHeaders: () => Header<TData, unknown>[];
    getLeftFlatHeaders: () => Header<TData, unknown>[];
    getCenterFlatHeaders: () => Header<TData, unknown>[];
    getRightFlatHeaders: () => Header<TData, unknown>[];
    getLeafHeaders: () => Header<TData, unknown>[];
    getLeftLeafHeaders: () => Header<TData, unknown>[];
    getCenterLeafHeaders: () => Header<TData, unknown>[];
    getRightLeafHeaders: () => Header<TData, unknown>[];
}
export declare const Headers: TableFeature;
export declare function buildHeaderGroups<TData extends RowData>(allColumns: Column<TData, unknown>[], columnsToGroup: Column<TData, unknown>[], table: Table<TData>, headerFamily?: 'center' | 'left' | 'right'): HeaderGroup<TData>[];