import { QueryArray } from '../QueryArray';
import type { Entities, FieldsSelect, QueryOptions, QueryResult, UpperOptions } from './types';
export declare class Upper<T extends Entities> {
    private db;
    constructor(options: UpperOptions<T>);
    Query<Entity extends keyof T, Fields extends FieldsSelect<T[Entity]>>(entityName: Entity, options?: QueryOptions<T[Entity], Fields>): QueryArray<QueryResult<T[Entity], Fields>>;
    QueryOne<Entity extends keyof T, Fields extends FieldsSelect<T[Entity]>>(entityName: Entity, options?: QueryOptions<T[Entity], Fields>): InstanceType<T[Entity]>;
}
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