export declare type ClusterSortConfig = AlphabeticSorting | LookupSorting;
export interface AlphabeticSorting {
    type: 'alphabetic';
    direction: SortDirection;
}
export interface LookupSorting {
    type: 'lookup';
    direction: SortDirection;
    sort: Record<string, number>;
}
export declare type SortDirection = 'ascendant' | 'descendant';