import type { FlexStore } from '../dist_ts/classes.flexstore.js';
export interface IFlexHarnessV3MigrationOptions {
    store: FlexStore;
    storageKeys: Iterable<string>;
}
export declare class FlexHarnessV3MigrationRunner {
    private readonly store;
    private readonly storageKeys;
    constructor(optionsArg: IFlexHarnessV3MigrationOptions);
    run(signalArg?: AbortSignal): Promise<void>;
}