import type { Document, MongoClient } from 'mongodb';
import { AbstractQuerier } from '../querier/index.js';
import type { ExtraOptions, IdValue, Query, QueryConflictPaths, QueryOptions, QuerySearch, Type, UpdatePayload } from '../type/index.js';
import type { MongoDialect } from './mongoDialect.js';
export declare class MongodbQuerier extends AbstractQuerier {
    readonly dialect: MongoDialect;
    readonly conn: MongoClient;
    readonly extra?: ExtraOptions | undefined;
    private session?;
    constructor(dialect: MongoDialect, conn: MongoClient, extra?: ExtraOptions | undefined);
    private execute;
    protected internalFindMany<E extends Document>(entity: Type<E>, q: Query<E>): Promise<E[]>;
    protected internalCount<E extends Document>(entity: Type<E>, qm?: QuerySearch<E>): Promise<number>;
    internalInsertMany<E extends Document>(entity: Type<E>, payloads: E[]): Promise<IdValue<E>[]>;
    internalUpdateMany<E extends Document>(entity: Type<E>, qm: QuerySearch<E>, payload: UpdatePayload<E>): Promise<number>;
    upsertOne<E extends Document>(entity: Type<E>, conflictPaths: QueryConflictPaths<E>, payload: E): Promise<{
        firstId: string;
        changes: number;
    }>;
    upsertMany<E extends Document>(entity: Type<E>, conflictPaths: QueryConflictPaths<E>, payload: E[]): Promise<{
        changes: number;
    }>;
    protected internalDeleteMany<E extends Document>(entity: Type<E>, qm: QuerySearch<E>, opts?: QueryOptions): Promise<number>;
    get hasOpenTransaction(): boolean;
    collection<E extends Document>(entity: Type<E>): import("mongodb").Collection<E>;
    get db(): import("mongodb").Db;
    beginTransaction(): Promise<void>;
    commitTransaction(): Promise<void>;
    rollbackTransaction(): Promise<void>;
    internalRelease(): Promise<void>;
}
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