import type { MessageItem } from "@droppii-org/wasm-client-sdk";
export declare const FIRST_UNREAD_LOOKUP_TIMEOUT_MS = 5000;
interface UseUnreadMessageIndicatorParams {
    conversationId?: string;
    /** Message the thread was opened on (notification, search, deep link). */
    searchClientMsgID?: string;
    messageList: MessageItem[];
}
/**
 * Looks up the first unread message once per thread open and tracks whether
 * its divider has been seen. The lookup also records the open time on the
 * server, so it has to run before the thread is marked as read.
 */
export declare const useUnreadMessageIndicator: ({ conversationId, searchClientMsgID, messageList, }: UseUnreadMessageIndicatorParams) => {
    isResolved: boolean;
    firstUnreadMessageId: string | undefined;
    unreadDividerMessageId: string | undefined;
    showJumpButton: boolean;
    markDividerSeen: () => void;
};
export {};
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