import { IndexableType } from "dexie";
import { BulkSyncSettings } from "../BulkSyncSettings.js";
import { Middleware, Request } from "./Middleware.js";
type KeyChange = {
    keyFrom: IndexableType;
    keyTo: IndexableType;
};
export type RecordsToUpdate<TRecordClass> = {
    keyChanges: KeyChange[];
    values: TRecordClass[];
};
export declare class UpdateMiddleware<TRecordClass> extends Middleware<TRecordClass> {
    handle(request: Request<TRecordClass>): Promise<void>;
    protected getRecordsToUpdate(settings: BulkSyncSettings<TRecordClass>, currentRecords: TRecordClass[], newRecords: TRecordClass[]): RecordsToUpdate<TRecordClass>;
    protected shouldUpdate(settings: BulkSyncSettings<TRecordClass>, currentData: TRecordClass, updatedData: TRecordClass): boolean;
    protected filterUpdateableFields(settings: BulkSyncSettings<TRecordClass>, newData: TRecordClass | null): TRecordClass;
    protected findEquivalentInList(settings: BulkSyncSettings<TRecordClass>, originalRecord: TRecordClass, list: TRecordClass[]): TRecordClass | null;
    protected makeKeyChange(recordFrom: TRecordClass, recordTo: TRecordClass): KeyChange | null;
    protected updateKeys(keyChanges: KeyChange[], primaryKeyName: string): Promise<void>;
}
export {};
//# sourceMappingURL=UpdateMiddleware.d.ts.map