declare class ActivityActorDto {
    id: string;
    name: string;
    avatarUrl: string | null;
}
export declare class ActivityDto {
    id: string;
    groupId: string | null;
    groupName: string | null;
    actor: ActivityActorDto;
    action: string;
    entityId: string | null;
    entityType: string | null;
    metadata: Record<string, unknown> | null;
    createdAt: Date;
}
export declare class PaginatedActivityDto {
    data: ActivityDto[];
    total: number;
    page: number;
    limit: number;
    totalPages: number;
    hasNextPage: boolean;
}
export {};
