import { ChatMessage } from '../elements/chat-types';
import { AttachmentData } from '../components/attachments';
import { AssistantStream, SetMessages } from '../state';
export interface CreateKaiChatOptions {
    /** Seed messages, read once at creation and copied. Later changes are ignored — drive updates through the returned ops. */
    initialMessages?: ChatMessage[];
    /** Seed suggestions, read once at creation and copied. Later changes are ignored. */
    initialSuggestions?: string[];
    onSubmit?: (detail: {
        value: string;
        attachments: AttachmentData[];
    }) => void | Promise<void>;
}
/** Solid store: consumer-owned chat state + the same ergonomic ops as `useKaiChat`. */
export interface KaiChatStore {
    messages: () => ChatMessage[];
    setMessages: SetMessages;
    suggestions: () => string[];
    loading: () => boolean;
    append: (msg: ChatMessage) => void;
    update: (id: string, patch: Partial<ChatMessage> | ((m: ChatMessage) => ChatMessage)) => void;
    remove: (id: string) => void;
    addSuggestion: (s: string) => void;
    removeSuggestion: (s: string) => void;
    clearSuggestions: () => void;
    streamAssistant: (init?: Partial<ChatMessage>) => AssistantStream;
    handleSubmit: (event: CustomEvent<{
        value: string;
        attachments: AttachmentData[];
    }>) => void;
    /** Spread onto `<kai-chat {...chat.bind} />` (reactive getters). Wire submit via `on:kai-submit={chat.handleSubmit}`. */
    bind: {
        readonly messages: ChatMessage[];
        readonly loading: boolean;
        readonly suggestions: string[];
    };
}
export declare function createKaiChat(options?: CreateKaiChatOptions): KaiChatStore;