import type { QueryOptions } from '../interfaces/query-options.js';
import { Protocol } from '../protocol/protocol.js';
import type { Maybe } from '../types.js';
import type { Connection } from './connection.js';
import type { PreparedStatement } from './prepared-statement.js';
export interface PortalExecuteResult {
    code: Protocol.BackendMessageCode;
    rows?: any[];
    command?: string;
    rowCount?: number;
}
export declare class Portal {
    private readonly _statement;
    private readonly _name?;
    private _columnFormat;
    constructor(statement: PreparedStatement, name: string);
    get connection(): Connection;
    get name(): Maybe<string>;
    bind(params: Maybe<any[]>, queryOptions: QueryOptions): Promise<void>;
    retrieveFields(): Promise<Protocol.RowDescription[]>;
    execute(fetchCount?: number): Promise<PortalExecuteResult>;
    close(): Promise<void>;
}