import { Guid, HistoryAndDepth, SequenceNumber } from "../common";
import { CacheChange } from "./CacheChange";
export declare class WriterHistoryCache {
    readonly depth: number;
    private _handleToEntries;
    private _sequenceToEntry;
    constructor(opts: {
        history: HistoryAndDepth;
    });
    get size(): number;
    set(change: CacheChange): void;
    get(sequenceNumber: SequenceNumber): CacheChange | undefined;
    getByHandle(handle: Guid): CacheChange | undefined;
    getSequenceNumMin(): SequenceNumber | undefined;
    getSequenceNumMax(): SequenceNumber | undefined;
    getSequenceNumMinPossible(): SequenceNumber;
    nextSequenceNum(): SequenceNumber;
    private trim;
}
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