import DataLoader from "dataloader";
import { ID, Context, Loader, LoaderFactory, SelectBaseDataOptions } from "../base";
import * as clause from "../clause";
interface QueryCountOptions {
    tableName: string;
    groupCol?: string;
    clause?: clause.Clause;
}
export declare function createCountDataLoader<K extends any>(options: QueryCountOptions): DataLoader<K, number, K>;
export declare class RawCountLoader<K extends any> implements Loader<K, number> {
    private options;
    context?: Context | undefined;
    private loader;
    constructor(options: QueryCountOptions, context?: Context | undefined);
    load(id: K): Promise<number>;
    clearAll(): void;
}
export declare class RawCountLoaderFactory implements LoaderFactory<ID, number> {
    name: string;
    private options;
    constructor(options: SelectBaseDataOptions, col: string);
    constructor(options: QueryCountOptions);
    createLoader(context?: Context): any;
}
export {};