import type { ArkmeInstalledExtension } from './types.js';
export declare class ArkmeExtensionInstallStore {
    private readonly path;
    private readonly database;
    private readonly securedWindowsFiles;
    constructor(directory: string);
    installationInstanceId(): string;
    list(): ArkmeInstalledExtension[];
    get(extensionId: string): ArkmeInstalledExtension | undefined;
    put(item: ArkmeInstalledExtension): void;
    remove(extensionId: string): void;
    markChecked(extensionIds: readonly string[], checkedAtMillis?: number): void;
    close(): void;
    private fromRow;
    private secureFiles;
}
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