export declare type NodeKey = string;
export declare type NodeRole = "master" | "slave" | "all";
export interface IRedisOptions {
    port: number;
    host: string;
    username?: string;
    password?: string;
    [key: string]: any;
}
export declare function getNodeKey(node: IRedisOptions): NodeKey;
export declare function nodeKeyToRedisOptions(nodeKey: NodeKey): IRedisOptions;
export declare function normalizeNodeOptions(nodes: Array<string | number | object>): IRedisOptions[];
export declare function getUniqueHostnamesFromOptions(nodes: IRedisOptions[]): string[];