import { TupleActionABC } from "../TupleAction";
import { Payload } from "../Payload";
import { TupleActionStorageServiceABC } from "./TupleActionStorageServiceABC";
import { SqlFactoryService } from "../storage-api/sql-api-factory";
import * as i0 from "@angular/core";
export declare class TupleActionStorageSqlService extends TupleActionStorageServiceABC {
    private webSqlFactory;
    private webSql;
    constructor(webSqlFactory: SqlFactoryService);
    storeAction(scope: string, tupleAction: TupleActionABC, payload: Payload): Promise<void>;
    loadNextAction(): Promise<Payload | null>;
    countActions(): Promise<number>;
    deleteAction(scope: string, actionUuid: string): Promise<void>;
    static ɵfac: i0.ɵɵFactoryDeclaration<TupleActionStorageSqlService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<TupleActionStorageSqlService>;
}