export type ConversationGroupLike = {
    id: string;
    name: string;
    createdAt?: Date | string;
};
export type ConversationGroupItem = {
    groupId?: string | null;
    updatedAt: Date | string;
};
export type ConversationGroupBucket<TGroup extends ConversationGroupLike, TConversation extends ConversationGroupItem> = {
    group: TGroup;
    items: TConversation[];
};
export type GroupedConversations<TGroup extends ConversationGroupLike, TConversation extends ConversationGroupItem> = {
    groups: ConversationGroupBucket<TGroup, TConversation>[];
    unfiled: TConversation[];
};
export declare function groupConversationsByGroup<TConversation extends ConversationGroupItem, TGroup extends ConversationGroupLike>(conversations: readonly TConversation[], groups: readonly TGroup[]): GroupedConversations<TGroup, TConversation>;