import { OnApplicationBootstrap, OnModuleInit } from '@nestjs/common';
import { FnConfigService } from '../fn.config/fn.config.service';
import { FnLoggerService } from '../fn.logger/fn.logger.service';
import { QueryResult } from 'pg';
import { FunctionResult, IUserGetInfoOut, QueryOptions, QueryParams } from './fn.db.postgres.interface';
import { DiscoveryService } from '@nestjs/core';
import { SessionParams } from '../../fn.core.type';
interface DefaultSessionParams {
    roleName: string;
    userPass: string;
    id: 'default_session';
}
export declare class FnDbPostgresService implements OnModuleInit, OnApplicationBootstrap {
    private readonly _discovery;
    private readonly _config;
    private _log;
    private readonly _pool;
    private readonly _postgresEventContainer;
    constructor(_discovery: DiscoveryService, _config: FnConfigService, _log: FnLoggerService);
    executeQuery<T = any>(sqlText: string, params?: QueryParams, sessionParams?: SessionParams | DefaultSessionParams, queryOptions?: QueryOptions): Promise<Array<T> | QueryResult<T> | FunctionResult | T>;
    get defaultSessionParams(): DefaultSessionParams;
    sysUserGetInfoByGuid(userGuid: number): Promise<IUserGetInfoOut>;
    sysUserSetLastAccessTime(userGuid: number): void;
    userCanConnect(email: string, pass: string): Promise<IUserGetInfoOut>;
    userLoadInfo(userGuid: number): Promise<IUserGetInfoOut>;
    private initializePostgresEvent;
    private setEventListeners;
    private getEventInstance;
    onApplicationBootstrap(): any;
    onModuleInit(): any;
}
export {};