export declare function initDB(): Promise<void>;
export interface AuthUser {
  id: string;
  username: string;
  passwordHash: string;
  displayName: string;
  createdAt: number;
}
export declare function getUserByUsername(username: string): Promise<AuthUser | null>;
export declare function getUserById(id: string): Promise<AuthUser | null>;
export declare function createUser(user: AuthUser): Promise<void>;
export interface ServerInfo {
  id: string;
  name: string;
  description?: string;
  ownerId: string;
  ownerPublicKey: string;
  isPrivate: boolean;
  maxUsers: number;
  currentUsers: number;
  tags: string[];
  createdAt: number;
  lastSeen: number;
}
export declare function getAllPublicServers(): Promise<ServerInfo[]>;
export declare function getServerById(id: string): Promise<ServerInfo | null>;
export declare function upsertServer(server: ServerInfo): Promise<void>;
export declare function deleteServer(id: string): Promise<void>;
export interface JoinRequest {
  id: string;
  serverId: string;
  userId: string;
  userPublicKey: string;
  displayName: string;
  status: 'pending' | 'approved' | 'rejected';
  createdAt: number;
}
export declare function createJoinRequest(req: JoinRequest): Promise<void>;
export declare function getJoinRequestById(id: string): Promise<JoinRequest | null>;
export declare function getPendingRequestsForServer(serverId: string): Promise<JoinRequest[]>;
export declare function updateJoinRequestStatus(id: string, status: JoinRequest['status']): Promise<void>;
export declare function deleteStaleJoinRequests(maxAgeMs: number): Promise<void>;
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