import { type ClipboardEvent, type KeyboardEvent, type RefObject } from 'react';
import type { ChatComposerToken, ChatComposerTokenCustom } from './ChatComposer.types';
export type ChatComposerTokenPortal = {
    id: string;
    span: HTMLSpanElement;
    token: ChatComposerToken;
};
export type UseChatComposerTokensOptions = {
    editableRef: RefObject<HTMLDivElement | null>;
    onEmitChange: () => void;
};
export type UseChatComposerTokensReturn = {
    tokenPortals: ChatComposerTokenPortal[];
    expandToken: (id: string) => void;
    insertToken: (token: ChatComposerToken) => string | undefined;
    handleKeyDown: (event: KeyboardEvent<HTMLDivElement>) => boolean;
    handlePaste: (event: ClipboardEvent<HTMLDivElement>) => boolean;
    cleanupPortals: () => void;
};
export declare const isChatComposerCustomToken: (token: ChatComposerToken) => token is ChatComposerTokenCustom;
export declare const useChatComposerTokens: ({ editableRef, onEmitChange, }: UseChatComposerTokensOptions) => UseChatComposerTokensReturn;