import type { Promisable } from 'type-fest';
import type { id } from '../../../types/typeAliases';
import type { ChatMessage } from '../types/ChatMessage';
import type { ChatFeedbackResponse } from '../Chat/ChatProps';
/**
 * Input parameters for the chat rating hook.
 *
 * @private component of `<Chat/>`
 */
export type UseChatRatingsOptions = {
    /**
     * Messages in the chat thread.
     */
    messages: ReadonlyArray<ChatMessage>;
    /**
     * Optional feedback handler passed to Chat.
     */
    onFeedback?: (feedback: {
        message: ChatMessage;
        rating: number;
        textRating: string;
        chatThread: string;
        expectedAnswer: string | null;
        url: string;
    }) => Promisable<ChatFeedbackResponse | void>;
    /**
     * Whether the UI should apply mobile-specific behavior.
     */
    isMobile: boolean;
};
/**
 * Indicates how the feedback status message should be rendered.
 *
 * @private component of `<Chat/>`
 */
export type FeedbackStatusVariant = 'success' | 'error';
/**
 * Data used to show the transient feedback status toast.
 *
 * @private component of `<Chat/>`
 */
export type FeedbackStatus = {
    /**
     * Message displayed to the user.
     */
    readonly message: string;
    /**
     * Whether the message indicates success or failure.
     */
    readonly variant: FeedbackStatusVariant;
};
/**
 * Rating state tracked for the chat UI.
 *
 * @private component of `<Chat/>`
 */
export type ChatRatingsState = {
    ratingModalOpen: boolean;
    selectedMessage: ChatMessage | null;
    messageRatings: Map<id, number>;
    textRating: string;
    hoveredRating: number;
    expandedMessageId: id | null;
    feedbackStatus: FeedbackStatus | null;
};
/**
 * Rating actions for the chat UI.
 *
 * @private component of `<Chat/>`
 */
export type ChatRatingsActions = {
    setRatingModalOpen: (value: boolean) => void;
    setSelectedMessage: (value: ChatMessage | null) => void;
    setMessageRatings: (value: Map<id, number> | ((previous: Map<id, number>) => Map<id, number>)) => void;
    setTextRating: (value: string) => void;
    setHoveredRating: (value: number) => void;
    setExpandedMessageId: (value: id | null) => void;
    handleRating: (message: ChatMessage, newRating: number) => void;
    submitRating: () => Promise<void>;
};
/**
 * Hook that centralizes rating state and handlers for Chat.
 *
 * @private component of `<Chat/>`
 */
export declare function useChatRatings(options: UseChatRatingsOptions): {
    state: ChatRatingsState;
    actions: ChatRatingsActions;
};
