export declare type ServerNodeRole = "None" | "Promotable" | "Member" | "Rehab";
export declare class ServerNode {
    database: string;
    url: string;
    clusterTag?: string;
    serverRole: ServerNodeRole;
    constructor(opts?: {
        database?: string;
        url?: string;
        clusterTag?: string;
    });
    readonly isSecure: boolean;
    fromJson(json: object): void;
    static fromJson(json: object): ServerNode;
}