import DataLoader from "dataloader";
import { GraphQLResolveInfo } from "graphql";
import { CommonQueryMethods, QuerySqlToken, SqlToken } from "slonik";
import { z } from "zod";
import { ColumnIdentifiers, Connection, OrderDirection } from "../types";
export declare type DataLoaderKey<TResult> = {
    cursor?: string | null;
    limit?: number | null;
    offset?: number | null;
    reverse?: boolean;
    orderBy?: (identifiers: ColumnIdentifiers<TResult>) => [SqlToken, OrderDirection][];
    where?: (identifiers: ColumnIdentifiers<TResult>) => SqlToken;
    info?: Pick<GraphQLResolveInfo, "fieldNodes" | "fragments">;
};
export declare const createConnectionLoaderClass: <T extends z.ZodTypeAny>(config: {
    columnNameTransformer?: ((column: string) => string) | undefined;
    query: QuerySqlToken<T>;
}) => {
    new (pool: CommonQueryMethods, dataLoaderOptions?: DataLoader.Options<DataLoaderKey<z.TypeOf<T>>, Connection<z.TypeOf<T>>, string> | undefined): {
        load(key: DataLoaderKey<z.TypeOf<T>>): Promise<Connection<z.TypeOf<T>>>;
        loadMany(keys: ArrayLike<DataLoaderKey<z.TypeOf<T>>>): Promise<(Connection<z.TypeOf<T>> | Error)[]>;
        clear(key: DataLoaderKey<z.TypeOf<T>>): any;
        clearAll(): any;
        prime(key: DataLoaderKey<z.TypeOf<T>>, value: Connection<z.TypeOf<T>> | Error): any;
    };
};