import { compileDocumentSelector } from "./selector";
import { MinimongoLocalCollection, MinimongoLocalDb } from "./types";
import { default as IndexedDb } from "./IndexedDb";
import { default as WebSQLDb } from "./WebSQLDb";
import { default as LocalStorageDb } from "./LocalStorageDb";
import { default as MemoryDb } from "./MemoryDb";
export { compileDocumentSelector };
export declare function autoselectLocalDb(options: any, success: any, error: any): MemoryDb | LocalStorageDb | WebSQLDb | IndexedDb;
export declare function migrateLocalDb(fromDb: any, toDb: any, success: any, error: any): void;
/** Clone a local database collection's caches, pending upserts and removes from one database to another
 * Useful for making a replica */
export declare function cloneLocalDb(fromDb: MinimongoLocalDb, toDb: MinimongoLocalDb): Promise<void>;
export declare function cloneLocalDb(fromDb: MinimongoLocalDb, toDb: MinimongoLocalDb, success: () => void, error: (err: any) => void): void;
/** Clone a local database collection's caches, pending upserts and removes from one database to another
 * Useful for making a replica */
export declare function cloneLocalCollection(fromCol: MinimongoLocalCollection, toCol: MinimongoLocalCollection): Promise<void>;
export declare function cloneLocalCollection(fromCol: MinimongoLocalCollection, toCol: MinimongoLocalCollection, success: () => void, error: (err: any) => void): void;
export declare function processFind(items: any, selector: any, options: any): any[];
/** Include/exclude fields in mongo-style */
export declare function filterFields(items: any[], fields?: any): any[];
export declare function createUid(): string;
/** Tidy up upsert parameters to always be a list of { doc: <doc>, base: <base> },
 * doing basic error checking and making sure that _id is present
 * Returns [items, success, error]
 */
export declare function regularizeUpsert<T>(docs: any, bases: any, success: any, error: any): [{
    doc: T;
    base?: T;
}[], (docs: T[]) => void, (err: any) => void];