import * as pulumi from "@pulumi/pulumi";
import * as outputs from "../types/output";
/**
 * Data Source schema for Volcengine::CLB::NLBServerGroup
 */
export declare function getNlbServerGroup(args: GetNlbServerGroupArgs, opts?: pulumi.InvokeOptions): Promise<GetNlbServerGroupResult>;
/**
 * A collection of arguments for invoking getNlbServerGroup.
 */
export interface GetNlbServerGroupArgs {
    /**
     * Uniquely identifies the resource.
     */
    id: string;
}
/**
 * A collection of values returned by getNlbServerGroup.
 */
export interface GetNlbServerGroupResult {
    /**
     * Account ID
     */
    readonly accountId: string;
    /**
     * Enable all-port forwarding
     */
    readonly anyPortEnabled: boolean;
    /**
     * Enable backend security group pass-through. This parameter can only be configured when Type is 'instance'.
     */
    readonly bypassSecurityGroupEnabled: boolean;
    /**
     * Enable graceful connection termination.
     */
    readonly connectionDrainEnabled: boolean;
    /**
     * Connection graceful shutdown timeout, range: 0–900 seconds. If ConnectionDrainEnabled is 'true', this parameter is required.
     */
    readonly connectionDrainTimeout: number;
    /**
     * Backend server group creation time
     */
    readonly createdTime: string;
    /**
     * Description of the backend server group, description of the server group. Must start with a letter, number, or Chinese character, and can include the following special characters: English comma (,), period (.), underscore (_), space ( ), equals sign (=), hyphen (-), Chinese comma (，), Chinese period（。）. Length limit: 0–255 characters. If this parameter is not provided, the default is an empty string.
     */
    readonly description: string;
    /**
     * Health check parameters
     */
    readonly healthCheck: outputs.clb.GetNlbServerGroupHealthCheck;
    /**
     * Uniquely identifies the resource.
     */
    readonly id: string;
    /**
     * IP address type of the server group. Options: ipv4 (default): The server group only supports adding IPv4 type backend servers. ipv6: The server group only supports adding IPv6 type backend servers.
     */
    readonly ipAddressVersion: string;
    /**
     * Enable source address persistence
     */
    readonly preserveClientIpEnabled: boolean;
    /**
     * Project name
     */
    readonly projectName: string;
    /**
     * Communication protocol used by NLB to forward traffic to backend servers. Options: TCP. UDP.
     */
    readonly protocol: string;
    /**
     * Enable Proxy-Protocol. Available values: off (default): disabled. standard: enabled. NLB forwards the client source IP address to the backend server via Proxy-Protocol. Proxy-Protocol must also be configured on the backend server.
     */
    readonly proxyProtocolType: string;
    /**
     * NLB instance associated with the server group.
     */
    readonly relatedLoadBalancerIds: string[];
    /**
     * Rules followed by NLB when forwarding traffic. Options: wrr (default): Weighted round robin. Backend servers with higher weights are selected more frequently (higher probability). wlc: Weighted least connections. Based on the least number of connections, assigns different weights to backend servers according to their processing capabilities, allowing each server to handle a corresponding number of service requests. sh: Source address hash. Uses consistent hashing based on the source IP address; requests from the same source address are routed to the same backend server.
     */
    readonly scheduler: string;
    /**
     * Number of backend servers in the server group.
     */
    readonly serverCount: number;
    /**
     * Server group ID
     */
    readonly serverGroupId: string;
    /**
     * Server group name. Must start with a letter, number, or Chinese character, and can include the following special characters: period (.), underscore (_), and hyphen (-). Limit: 1–128 characters. If not specified, defaults to the server group ID
     */
    readonly serverGroupName: string;
    /**
     * Information about backend servers to be added to the server group
     */
    readonly servers: outputs.clb.GetNlbServerGroupServer[];
    /**
     * Enable session persistence.
     */
    readonly sessionPersistenceEnabled: boolean;
    /**
     * Session persistence timeout. Range: 1–3600 seconds, default: 1000 seconds
     */
    readonly sessionPersistenceTimeout: number;
    /**
     * Server group status
     */
    readonly status: string;
    /**
     * Tag
     */
    readonly tags: outputs.clb.GetNlbServerGroupTag[];
    /**
     * Enable removal of TCP/HTTP/HTTPS packet timestamps
     */
    readonly timestampRemoveEnabled: boolean;
    /**
     * Server group type. Available values: instance (default): server type. Supports adding cloud server instances and auxiliary network interfaces bound to cloud server instances as backend servers. ip: IP address type. Supports adding any network-accessible server in a VPC or IDC as a backend server.
     */
    readonly type: string;
    /**
     * Last update time of the backend server group.
     */
    readonly updatedTime: string;
    /**
     * ID of the private network to which the server group belongs
     */
    readonly vpcId: string;
}
/**
 * Data Source schema for Volcengine::CLB::NLBServerGroup
 */
export declare function getNlbServerGroupOutput(args: GetNlbServerGroupOutputArgs, opts?: pulumi.InvokeOutputOptions): pulumi.Output<GetNlbServerGroupResult>;
/**
 * A collection of arguments for invoking getNlbServerGroup.
 */
export interface GetNlbServerGroupOutputArgs {
    /**
     * Uniquely identifies the resource.
     */
    id: pulumi.Input<string>;
}