/*!
 * Copyright (c) Microsoft Corporation and contributors. All rights reserved.
 * Licensed under the MIT License.
 */
import type { FinalCompressedId } from "./identifiers.js";
import { type IdCluster } from "./sessions.js";
/**
 * All IDs that have been finalized (acked), grouped into clusters sorted by their base final IDs.
 * These clusters span the positive integer space and are not sparse, meaning a cluster's base final
 * ID will always be one greater than the last final ID in the previous cluster (or 0 if there is not one).
 */
export declare class FinalSpace {
    private readonly clusterList;
    get clusters(): readonly IdCluster[];
    getLastCluster(): IdCluster | undefined;
    addCluster(newCluster: IdCluster): void;
    /**
     * Gets the upper bound (exclusive) of finalized IDs in final space, i.e. one greater than the last final ID in the last cluster.
     * Note: this does not include allocated but unfinalized space in clusters.
     */
    getFinalizedIdLimit(): FinalCompressedId;
    /**
     * Gets the upper bound (exclusive) of allocated IDs in final space, i.e. one greater than the last final ID in the last cluster.
     * Note: this does includes all allocated IDs in clusters.
     */
    getAllocatedIdLimit(): FinalCompressedId;
    equals(other: FinalSpace): boolean;
}
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