export type OPFSAccessMode = "async" | "sync" | "auto";
export declare class OPFSStore {
    private readonly scope;
    private readonly requestedAccessMode;
    private accessMode;
    private directoryPromise?;
    constructor(scope: string, accessMode?: OPFSAccessMode);
    static isAvailable(): boolean;
    private static resolveAccessMode;
    has(url: string): Promise<boolean>;
    read(url: string): Promise<Response | undefined>;
    readArrayBuffer(url: string): Promise<ArrayBuffer | undefined>;
    write(url: string, response: Response): Promise<void>;
    remove(url: string): Promise<void>;
    private getStoredEntry;
    private static getStorageManager;
    private static isDedicatedWorkerWithSyncAccessHandle;
    private getScopedDirectory;
    private readRecord;
    private getResponseInit;
    private writeRecord;
    private readPayload;
    private hasExpectedPayloadSize;
    private writePayload;
    private writePayloadWithWritable;
    private readPayloadWithSyncHandle;
    private writePayloadWithSyncHandle;
    private openSyncAccessHandle;
    private getFileHandleIfExists;
    private removeEntryIfExists;
    private hashUrl;
    private static isNotFoundError;
    private static isCacheMissStateError;
    private handleCacheMissStateError;
    private resetDirectoryOnInvalidStateError;
    private static getErrorName;
    private getPayloadFilename;
    private getRecordFilename;
    private createSyncUnavailableError;
}