import { CellRange, TableBasics, TableMergedRegions } from 'fittable-core/model';
import { Args, TableChanges, TableChangesFactory } from 'fittable-core/operations';
export type CellMergeArgs = Args<'cell-merge'> & {
    selectedCells: CellRange[];
};
export declare class CellMergeChangesBuilder {
    private readonly table;
    private readonly args;
    private readonly mergedRegionsChange;
    private readonly mergedRegionsUndoChange;
    constructor(table: TableBasics & TableMergedRegions, args: CellMergeArgs);
    build(): TableChanges;
    private removeExistingRegions;
    private createRegions;
}
export declare class CellMergeChangesFactory implements TableChangesFactory {
    createTableChanges(table: TableBasics & TableMergedRegions, args: CellMergeArgs): TableChanges | Promise<TableChanges>;
}