import { BaseIndex } from '../indexes';
import { Hydratable, ModelConstructor } from '../hydrate';
import { BaseQuery } from './base';
import { MultiQuery } from './multi';
/**
 *
 * Represents a query that resolves to a single model instance,
 * indexed by a primary key.
 *
 */
export declare class PrimaryExact<T = any> extends BaseQuery<T> {
    readonly param: T;
    constructor(i: BaseIndex<T>, param: T);
    protected operation(): import("../operators").Operation<any>;
    /**
     *
     * @returns a hydrated model instance, or undefined if no match is found.
     *
     */
    get<M extends Hydratable>(constructor: ModelConstructor<M>): Promise<M | undefined>;
}
/**
 *
 * Represents a query that resolves to an exact value,
 * indexed by a secondary key.
 *
 */
export declare class SecondaryExact<T = any> extends MultiQuery<T> {
    constructor(i: BaseIndex<T>, param: T);
}
export declare type Exact<T = any> = PrimaryExact<T> | SecondaryExact<T>;