import { EnumOrLiteral } from "../utils/EnumOrLiteral";
/**
 * Represents a message within a conversation.
 *
 * @public
 */
export interface Message {
    /**
     * The response's id in the form of a 26 character ULID.
     * This is present for message coming from server.
     */
    responseId?: string;
    /** Time when the message is sent. */
    timestamp?: string;
    /** The sender of the message. */
    source: EnumOrLiteral<MessageSource>;
    /** The message's content. */
    text: string;
}
/**
 * Types of sender of a message.
 *
 * @public
 */
export declare enum MessageSource {
    /** From a user. */
    USER = "USER",
    /** From Chat API server. */
    BOT = "BOT",
    /** From third-party integration. */
    AGENT = "AGENT"
}