import { StorageObject } from "crosslightning-base";
import * as BN from "bn.js";
export type StorageQueryParam = {
    key: string;
    value?: any;
    values?: any[];
};
export interface IIntermediaryStorage<T extends StorageObject> {
    init(): Promise<void>;
    query(params: StorageQueryParam[]): Promise<T[]>;
    getData(hash: string, sequence: BN | null): Promise<T>;
    saveData(hash: string, sequence: BN | null, object: T): Promise<void>;
    removeData(hash: string, sequence: BN | null): Promise<void>;
    loadData(type: new (data: any) => T): Promise<void>;
}