import { InjectionToken } from '@angular/core';
export interface DBConfig {
    name: string;
    version: number;
    objectStoresMeta: ObjectStoreMeta[];
    migrationFactory?: () => {
        [key: number]: (db: IDBDatabase, transaction: IDBTransaction) => void;
    };
}
export interface ObjectStoreMeta {
    store: string;
    storeConfig: {
        keyPath: string | string[];
        autoIncrement: boolean;
        [key: string]: any;
    };
    storeSchema: ObjectStoreSchema[];
}
export interface ObjectStoreSchema {
    name: string;
    keypath: string | string[];
    options: {
        unique: boolean;
        [key: string]: any;
    };
}
export interface IndexDetails {
    indexName: string;
    order: string;
}
export interface RequestEvent<T> extends Event {
    target: RequestEventTarget<T>;
}
export interface RequestEventTarget<T> extends EventTarget {
    result: T | T[];
}
export declare enum DBMode {
    readonly = "readonly",
    readwrite = "readwrite"
}
export declare type Key = string | number | Date | ArrayBufferView | ArrayBuffer | IDBArrayKey | IDBKeyRange;
export declare const CONFIG_TOKEN: InjectionToken<DBConfig>;