import * as React from 'react';
import { Thread, Message, MessageModel, MessageUserContent } from '../../models';
import { IdType } from '../../types';
import { ThreadMessages } from '../../models/ThreadMessages';
import { ObservableReactValue } from '../../utils/observers';
import { ThreadListenersMap } from '../thread/ThreadListenersMap';
import { EventsEmitterMethods } from '../../models/EventsEmitter';
export type ApiRefType<DM extends Message = any, DD extends Thread<DM> = any> = {
    /**
     * Get all messages from current thread
     */
    getAllMessages: () => DM[];
    /**
     * Get all threads
     */
    getAllThreads: () => DD[];
    /**
     * Get current thread
     */
    getCurrentThread: () => DD | undefined;
    /**
     * Get thread by id
     */
    getThreadById: (id: IdType) => DD | undefined;
    /**
     * Represents an instance of an event emitter used to handle chat events
     */
    emitter: EventsEmitterMethods;
    /**
     * Get messages from current branch
     * @see https://docs.playliner.com/introduction/branching/
     */
    getBranchMessages: () => DM[];
    /**
     * Delete thread by id
     */
    deleteThread: (threadId: IdType) => void;
    /**
     * Send message to conversation
     */
    sendUserMessage: (content: Message['content']) => Promise<boolean>;
    /**
     * Triggered when another thread is opened.
     */
    onChangeThread: (threadId: IdType) => void;
    /**
     * Triggered when a new thread is opened.
     * @param thread
     */
    openNewThread: (thread?: DD) => void;
    /**
     * Set your own waiting status for a chat response.
     */
    setProgressStatus: (status: string, inProgress?: boolean) => void;
    /**
     * Set text for specific message
     */
    setMessageText: (messageId: string, text: string) => void;
    /**
     * Get waiting status for a chat response.
     */
    getProgressStatus: () => string;
    /**
     * Change thread branch.
     */
    handleChangeBranch: ThreadMessages<DM>['handleChangeBranch'];
    /**
     * Changes the state of opening the drawer menu.
     */
    setMenuDrawerOpen: (v: boolean) => void;
    /**
     * Changes the value of deleteItem; if there is a value, a confirm dialog opens.
     */
    setDeleteItem: (v: DD | undefined) => void;
    /**
      * Set active tool. If there is no `threadId`, change the value of the current thread.
      */
    setActiveTool: (v: string | undefined, threadId?: IdType) => void;
    /**
      * Create new thread.
      */
    handleCreateNewThread?: () => DD;
    /**
      * Change current thread.
      */
    onChangeCurrentThread?: (v: DD) => void;
    /**
      * Triggered when thread is deleted.
      */
    onThreadDeleted?: (v: DD) => void;
};
export type PrivateApiRefType<DM extends Message = any, DD extends Thread<DM> = any> = {
    allMessages: ObservableReactValue<Readonly<MessageModel<DM>[]>>;
    branch: ObservableReactValue<Readonly<MessageModel<DM>[]>>;
    getListener: <K extends keyof ThreadListenersMap<DM>>(key: K) => ThreadListenersMap<DM>[K] | undefined;
    updateScrollButtonState: () => void;
    onEditMessage: (newContent: MessageUserContent, messageEdit: MessageModel) => Promise<MessageModel | undefined>;
    getConversationBlockHeight: () => number;
} & ApiRefType<DM, DD>;
export declare const useApiRef: <DM extends Message, DD extends Thread<DM>>(userApiRef: React.MutableRefObject<ApiRefType | null> | undefined) => React.MutableRefObject<PrivateApiRefType<DM, DD>>;