/// <reference types="node" />
import { ClientGrpc } from '@nestjs/microservices';
import { Logger, LoggerService } from '@nestjs/common';
import { GrpcOptions } from '@nestjs/microservices';
import { ClientOptions } from 'nacos';
export declare enum Mode {
    Config = "Config",
    Pods = "Pods",
    Mock = "Mock"
}
export interface whaleNacosOptions extends LoadBalanceServiceOptions {
    mode?: keyof typeof Mode;
    localEnvString?: string;
    localhost?: string;
}
export interface BaseNacosClientOptions {
    serverAddress: string;
    namespace: string;
    logger: Logger | LoggerService | Console;
    endpoint: ClientOptions['endpoint'];
}
export interface DiscoveryOptions extends BaseNacosClientOptions {
    protocol?: string;
    group?: string;
    serviceName?: string;
}
export interface NacosClientOptions {
    serverAddress: string;
    namespace: string;
    logger: Logger | LoggerService | Console;
}
export interface NacosGrpcOptions extends Omit<GrpcOptions["options"], 'url' | 'package'> {
    packageName: GrpcOptions["options"]["package"];
}
export interface LoadBalanceServiceOptions extends NacosGrpcOptions {
    group?: string;
    serviceName: string;
    loadBalance?: (arg0: Connection[]) => Connection;
}
export interface loggerOptions {
    loggerLevel?: 'DEBUG' | 'INFO' | 'WARN' | 'ERROR';
    logger?: Logger | LoggerService;
}
export interface NacosInstance {
    instanceId?: string;
    clusterName?: string;
    serviceName?: string;
    ip: string;
    port?: number;
    weight: number;
    ephemeral?: boolean;
    enabled?: boolean;
    valid?: boolean;
    marked?: boolean;
    healthy?: boolean;
    metadata?: any;
}
export interface NacosInstanceOptions {
    namespace?: string;
    serviceName: string;
    clusterName?: string;
    groupName?: string;
    ip?: string;
    port: number;
    weight?: number;
    valid?: boolean;
    healthy?: boolean;
    enabled?: boolean;
    ephemeral?: boolean;
    metadata?: any;
}
export interface NacosConfigOptions {
    group?: string;
    serviceName: string;
}
export interface Connection {
    grpcClient: ClientGrpc;
    weight: number;
}
export interface TierConfig {
    service_name: string;
    tier_version: string;
}
export interface NacosClientGrpc {
    getService<T>(name: string): T;
}
export declare type AllowUndefined<T> = T | undefined;