import type { Document } from 'chat-agent-toolkit';
/**
 * Base interface for all chat message types.
 */
export interface BaseMessage {
    /** ID of the chat session this message belongs to */
    chatId: string;
    /** Unique identifier for the message */
    messageId: string;
    /** Timestamp when the message was created */
    createdAt: Date;
}
/**
 * Represents a message sent by the AI assistant.
 */
export interface AssistantMessage extends BaseMessage {
    role: 'assistant';
    /** The text content of the assistant message */
    content: string;
    /** Optional follow-up suggestions */
    suggestions?: string[];
}
/**
 * A file attached to a chat message, shown inline in the conversation flow.
 */
export interface MessageFile {
    /** Original file name (e.g. "report.pdf"). */
    fileName: string;
    /** File extension without the dot (e.g. "pdf", "png"). */
    fileExtension: string;
    /** Unique identifier of the uploaded file. */
    fileId: string;
}
/**
 * Represents a message sent by the user.
 */
export interface UserMessage extends BaseMessage {
    role: 'user';
    /** The text content of the user message */
    content: string;
    /** Files the user attached to this message, if any. */
    files?: MessageFile[];
}
/**
 * Represents a message containing search sources or citations.
 */
export interface SourceMessage extends BaseMessage {
    role: 'source';
    /** Array of documentation sources found during research */
    sources: Document[];
}
export interface SuggestionMessage extends BaseMessage {
    role: 'suggestion';
    suggestions: string[];
}
export interface SearchQuery {
    query: string;
    /** Display label e.g. "Web", "Academic" */
    category?: string;
    status: 'running' | 'done';
}
/** Transient progress message emitted while the agent runs searches. */
export interface SearchingMessage extends BaseMessage {
    role: 'searching';
    queries: SearchQuery[];
}
/**
 * Union type representing all possible message roles in a chat.
 */
export type Message = AssistantMessage | UserMessage | SourceMessage | SuggestionMessage | SearchingMessage;
/**
 * Represents a single exchange in the chat (user + assistant).
 */
export type ChatTurn = UserMessage | AssistantMessage;
export interface File {
    fileName: string;
    fileExtension: string;
    fileId: string;
}
/**
 * Main window component for the chat interface.
 * Ordinates the overall chat flow, handling errors, loading states,
 * and switching between the homepage and the active conversation thread.
 *
 * @returns {JSX.Element} The rendered chat window
 */
declare const ChatWindow: () => import("react").JSX.Element;
export default ChatWindow;