/*!
 * Copyright (c) Microsoft Corporation and contributors. All rights reserved.
 * Licensed under the MIT License.
 */
import type { IDocumentDeltaStorageService, IStream, ISequencedDocumentMessage } from "@fluidframework/driver-definitions/internal";
/**
 * Provides access to the underlying delta storage on the local file storage for file driver.
 * @internal
 */
export declare class FileDeltaStorageService implements IDocumentDeltaStorageService {
    private readonly path;
    private readonly messages;
    private lastOps;
    constructor(path: string);
    fetchMessages(from: number, to: number | undefined, abortSignal?: AbortSignal, cachedOnly?: boolean): IStream<ISequencedDocumentMessage[]>;
    get ops(): readonly Readonly<ISequencedDocumentMessage>[];
    /**
     * Retrieve ops within the exclusive sequence number range.
     *
     * @param from - First op to be fetched.
     * @param to - Last op to be fetched. This is exclusive.
     */
    getFromWebSocket(from: number, to: number): ISequencedDocumentMessage[];
}
//# sourceMappingURL=fileDeltaStorageService.d.ts.map