import { EventType } from "../common/Exports.js";
/**
 * Inline commit: bookkeeping of commits sent but not yet acknowledged, for one
 * recognition session. Decides which commits are re-sent after a reconnect, and where.
 */
export declare class InlineCommitTracker {
    private static readonly MaxPendingCommits;
    private privPending;
    private privSentBytes;
    static log(message: string, eventType: EventType): void;
    get pendingCount(): number;
    /**
     * Discards all pending commits, e.g. at session teardown.
     */
    reset(reason: string): void;
    /**
     * Records a commit read from the audio stream. Returns false if it must not be sent.
     */
    onCommitRead(token: number, channelId: number | undefined, offsetBytes: number): boolean;
    /**
     * Audio is about to be replayed from startBytes, on a new connection or in a new turn.
     * Commits before that point are obsolete: the service has processed audio past them.
     * The others are re-sent when the replayed audio reaches their position.
     */
    onReplay(startBytes: number): void;
    /**
     * Audio has been sent up to endBytes.
     */
    onAudioSent(endBytes: number): void;
    /**
     * Returns the commits to re-send now that the audio before them has been sent, in order.
     */
    takeResendable(): {
        token: number;
        channelId?: number;
    }[];
    /**
     * A result carrying the token was received. Earlier tokens will not be acknowledged,
     * since the service processes commits in order on a connection.
     */
    onAcknowledged(token: number): void;
}