import type { Column, ColumnGroup, GridDataProp, GridRowData, GridRowMeta, GridServerData } from './types';
export declare function isGridServerData<TDataModel extends GridRowData, TMetaModel extends GridRowMeta<TDataModel>>(data: GridDataProp<TDataModel, TMetaModel>): data is GridServerData<TDataModel, TMetaModel>;
export declare const isColumnGroup: (c: Column<any> | ColumnGroup<any>) => c is ColumnGroup;
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