import { type InferQuery, type IQuery } from "./IQuery";
export interface IQuerySource<TEntity extends Record<string, any>, TQuery extends IQuery = IQuery> {
    /**
     * Run a query and return promise with the result.
     */
    query(query: TQuery): Promise<TEntity[]>;
    /**
     * Fetch a single optional entity.
     */
    fetch(query: TQuery): Promise<TEntity | null>;
    /**
     * Find required entity; if not found, an error should be thrown.
     */
    find(query: TQuery): Promise<TEntity>;
    /**
     * Get an entity (required) by the given id.
     */
    get(id: string): Promise<TEntity>;
    /**
     * Return count of items by the given query.
     */
    count(query: TQuery): Promise<number>;
    /**
     * General method for converting input filter from a query into an output (for example, applying fulltext).
     */
    withFilter(query: TQuery): InferQuery.Filter<TQuery> | undefined;
}
export declare namespace QuerySourceInfer {
    type Entity<T> = T extends IQuerySource<infer U, any> ? U : T;
    type Query<T> = T extends IQuerySource<any, infer U> ? U : T;
}
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