import { IBackupService, ILoggerService } from "@connext/types";
import { Sequelize } from "sequelize";
export declare type StoreOptions = {
    backupService?: IBackupService;
    logger?: ILoggerService;
    sequelize?: Sequelize;
    prefix?: string;
    separator?: string;
};
export interface IAsyncStorage {
    getItem(key: string): Promise<string | null>;
    setItem(key: string, value: string): Promise<void>;
    removeItem(key: string): Promise<void>;
}
export declare const StoreTypes: {
    AsyncStorage: "AsyncStorage";
    File: "File";
    LocalStorage: "LocalStorage";
    Postgres: "Postgres";
    Memory: "Memory";
};
export declare type StoreTypes = typeof StoreTypes[keyof typeof StoreTypes];
export interface KeyValueStorage {
    init(): Promise<void>;
    close(): Promise<void>;
    getKey(...args: string[]): string;
    getKeys(): Promise<string[]>;
    getEntries(): Promise<[string, any][]>;
    getItem<T = any>(key: string): Promise<T | undefined>;
    setItem<T = any>(key: string, value: T): Promise<void>;
    removeItem(key: string): Promise<void>;
}
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