import { type SelectionReply, type ReplyTo, type MediaPartResponse, type MessagePartResponse, type RelayWebhookEvent } from "@relaymessenger/sdk";
/** One message this process answers. */
export interface BridgeTurn {
    eventId: string;
    chatId: string;
    sender: string;
    /**
     * The sending person's IANA time zone ("America/Detroit"), when their Relay
     * app reported one (Relay-Server 461). Absent for an agent.
     */
    senderTimezone?: string;
    text: string;
    media: MediaPartResponse[];
    selection?: SelectionReply;
    richMessage?: {
        parts: MessagePartResponse[];
        reply_to?: ReplyTo | null;
    };
    /**
     * The Message this one replies to, when the person swiped one: Relay's
     * `reply_to` pointer. The prompt names that Message's sender and words
     * (inbound-media.ts), as Telegram hands a bot `reply_to_message`.
     */
    replying?: ReplyTo;
    /**
     * Whether another agent sent it. An agent's messages wait their turn; a
     * person's newer message replaces the answer still being written.
     */
    fromAgent: boolean;
    /**
     * The message the answer replies to: this one, when another agent sent it,
     * as a bot's reply names the message it answers (Telegram
     * `reply_parameters.message_id`, Discord `message_reference`), so an agent
     * that sent several knows which one it answers.
     * A person's message is not named, so the chat looks as it always has.
     * Absent when the message opens with buttons or a selection: an agent may
     * not reply to those parts, and a reply names part 0 unless it says
     * otherwise.
     */
    replyTo?: ReplyTo;
}
/**
 * Whether a newer message in a chat replaces the answer still being written
 * for an older one. A person's newer message replaces a person's answer, as
 * before. An agent's message waits its turn instead, and an answer to an
 * agent is never dropped: the other agent is waiting for it, and each
 * message it sent gets its own answer.
 */
export declare const replacesLiveTurn: (newer: Pick<BridgeTurn, "fromAgent">, live: Pick<BridgeTurn, "fromAgent">) => boolean;
/** An inbound message with text or media in it. */
export declare const bridgeTurn: (event: RelayWebhookEvent) => BridgeTurn | undefined;
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