import { Time } from "@foxglove/rostime";
import { Guid, HistoryAndDepth, SequenceNumber, SequenceNumberSet } from "../common";
import { CacheChange } from "./CacheChange";
export declare class ReaderHistoryCache {
    readonly depth: number;
    private _handleToEntries;
    private _sequenceToEntry;
    constructor(opts: {
        history: HistoryAndDepth;
    });
    get size(): number;
    set(change: CacheChange): void;
    addGapRange(start: SequenceNumber, end: SequenceNumber, timestamp: Time, writerGuid: Guid): void;
    get(sequenceNumber: SequenceNumber): CacheChange | undefined;
    getSequenceNumMin(): SequenceNumber | undefined;
    getSequenceNumMax(): SequenceNumber | undefined;
    heartbeatUpdate(firstSeqNumber: SequenceNumber, lastSeqNumber: SequenceNumber): SequenceNumberSet;
}
//# sourceMappingURL=ReaderHistoryCache.d.ts.map