import type { BroadcastGroup, BroadcastStrategy } from "./types.js";
/**
 * Manages broadcast groups for the gateway
 */
export declare class BroadcastGroupManager {
    private groups;
    constructor();
    /**
     * Create a new broadcast group
     */
    createGroup(name: string, createdBy: string, description?: string, strategy?: BroadcastStrategy): BroadcastGroup;
    /**
     * Get a group by ID
     */
    getGroup(groupId: string): BroadcastGroup | undefined;
    /**
     * Get a group by name
     */
    getGroupByName(name: string): BroadcastGroup | undefined;
    /**
     * Get or create a group by name
     */
    getOrCreateGroup(name: string, createdBy: string, description?: string, strategy?: BroadcastStrategy): BroadcastGroup;
    /**
     * Update group strategy
     */
    setGroupStrategy(groupId: string, strategy: BroadcastStrategy): boolean;
    /**
     * Get group strategy
     */
    getGroupStrategy(groupId: string): BroadcastStrategy | undefined;
    /**
     * Delete a group
     */
    deleteGroup(groupId: string): boolean;
    /**
     * Add a node to a group
     */
    addNodeToGroup(groupId: string, nodeId: string): boolean;
    /**
     * Remove a node from a group
     */
    removeNodeFromGroup(groupId: string, nodeId: string): boolean;
    /**
     * Remove a node from all groups
     */
    removeNodeFromAllGroups(nodeId: string): void;
    /**
     * Get all groups a node is a member of
     */
    getNodeGroups(nodeId: string): BroadcastGroup[];
    /**
     * Get all groups
     */
    getAllGroups(): BroadcastGroup[];
    /**
     * Get group member IDs
     */
    getGroupMembers(groupId: string): string[];
    /**
     * Generate a unique group ID
     */
    private generateGroupId;
    /**
     * Get statistics
     */
    getStats(): {
        totalGroups: number;
        groups: {
            id: string;
            name: string;
            memberCount: number;
            createdAt: number;
        }[];
    };
}