import { PivotLayoutModel, TableLayoutModel } from './LayoutManagerModel';
export declare const AUTO_GROUP_COLUMN_ID__SINGLE = "ag-Grid-AutoColumn";
export declare const AUTO_GROUP_COLUMN_ID__MULTI_PREFIX = "ag-Grid-AutoColumn-";
export declare function normalizeTableLayoutModel(layout: TableLayoutModel, options?: {
    isTree: boolean;
}): TableLayoutModel;
export declare function normalizePivotLayoutModel(layout: PivotLayoutModel): PivotLayoutModel;
export declare function normalizeLayoutModel(layout: TableLayoutModel | PivotLayoutModel, options?: {
    isTree: boolean;
}): TableLayoutModel | PivotLayoutModel;
