import { SelectQueryBuilder, ObjectType } from 'typeorm';
import { CursorPagination, Cursor, OrderBy, CursorTransformer, Nullable, Take, PromiseCursorPagination } from './interfaces/paginator';
export interface CursorPaginatorParams<TEntity, TColumnNames extends Record<string, string>> {
    orderBy: OrderBy<TEntity & TColumnNames> | OrderBy<TEntity & TColumnNames>[];
    columnNames?: TColumnNames | null;
    take?: Nullable<Take> | number | null;
    transformer?: CursorTransformer<TEntity> | null;
}
export interface CursorPaginatorPaginateParams {
    prevCursor?: string | null;
    nextCursor?: string | null;
    take?: number | null;
}
export declare class CursorPaginator<TEntity, TColumnNames extends Record<string, string>> {
    entity: ObjectType<TEntity>;
    orders: [string, boolean][];
    columnNames: Record<string, string>;
    takeOptions: Take;
    transformer: CursorTransformer<TEntity>;
    constructor(entity: ObjectType<TEntity>, { orderBy, columnNames, take, transformer, }: CursorPaginatorParams<TEntity, TColumnNames>);
    paginate(qb: SelectQueryBuilder<TEntity>, params?: CursorPaginatorPaginateParams): Promise<CursorPagination<TEntity>>;
    promisePaginate(qb: SelectQueryBuilder<TEntity>, params?: CursorPaginatorPaginateParams): PromiseCursorPagination<TEntity>;
    _applyWhereQuery(qb: SelectQueryBuilder<TEntity>, cursor: Cursor<TEntity>, isNext: boolean): void;
    _createCursor(node: TEntity): Cursor<TEntity>;
}