import * as plugins from '../dist_ts/plugins.js';
type TObject = Record<string, unknown>;
export interface IProtocolV27DocumentMigrationResult {
    document: TObject;
    migrated: boolean;
}
export declare const migrateProtocolV27SettingsDocument: (valueArg: unknown) => IProtocolV27DocumentMigrationResult;
export declare const migrateProtocolV27SessionStateDocument: (valueArg: unknown) => IProtocolV27DocumentMigrationResult;
export declare class ProtocolV27AccountIndependentModelMigration {
    private readonly database;
    constructor(database: plugins.smartdata.SmartdataDb | undefined);
    /** Runs before exact-persistence reads and is safe to repeat after partial completion. */
    run(): Promise<void>;
}
export {};