import { default as ColumnModel } from './columnModel';
/** All derived state for rendering a column's header cell and its context menu. */
export default class HeaderCellModel<TRow> {
    readonly column: ColumnModel<TRow>;
    constructor(column: ColumnModel<TRow>);
    private get grid();
    /** Header label. `null` for the row-number and selection cells (rendered specially). */
    get label(): string | number | null;
    get isSortable(): boolean;
    get isSorted(): boolean;
    get sortDirection(): SortDirection | undefined;
    get showResizer(): boolean;
    get showContextMenu(): boolean;
    /** Grid column span: a leaf occupies one column, a group header spans its leaf count. */
    get gridColumn(): number;
    get paddingLeft(): number | undefined;
    get paddingRight(): number | undefined;
    /** Variant flags for the header cell. */
    get variant(): {
        isPinned: boolean;
        isFirstLeftPinned: boolean;
        isLastLeftPinned: boolean;
        isFirstRightPinned: boolean;
        isLastRightPinned: boolean;
        isSortable: boolean;
        isRowNumber: boolean;
        isFirstLeaf: boolean;
        isLastLeaf: boolean;
    };
    /** Variant flags for the context-menu trigger button. */
    get contextMenuButtonVariant(): {
        isPinned: boolean;
        isFirstLeftPinned: boolean;
        isLastLeftPinned: boolean;
        isFirstRightPinned: boolean;
        isLastRightPinned: boolean;
        isSortable: boolean;
        isRowNumber: boolean;
    };
    private get sections();
    get canSortAsc(): boolean;
    get canSortDesc(): boolean;
    get canClearSort(): boolean;
    get canPinLeft(): boolean;
    get canPinRight(): boolean;
    get canUnpin(): boolean;
    get canGroupBy(): boolean;
    get canUnGroupAll(): boolean;
    get hasSortSection(): boolean;
    get hasPinSection(): boolean;
    get hasGroupSection(): boolean;
}