import { Condition, FetchOptions, Field, Id, Json, JsonValue, LogicalCondition, OneOrMore, PageList, Sort } from '@thisisagile/easy';
import { AggregationCursor, Collection as MongoCollection, CreateIndexesOptions, Document, FindCursor, FindOptions as MongoFindOptions, IndexSpecification, MongoClient, StrictFilter as MongoFilter } from 'mongodb';
import { Collection } from './Collection';
export type Projection = Record<string, 0 | 1>;
export type FindOptions = FetchOptions & {
    projection?: Projection;
};
export type Filter<T = unknown> = MongoFilter<T>;
export type Query = Condition | LogicalCondition | Filter<any>;
export type IndexOptions = {
    unique?: boolean;
    filter?: Query;
    languageOverride?: string;
    languageDefault?: string;
};
export type Indexes = OneOrMore<string | Field | Sort | Record<string, 1 | -1>>;
export type Options = {
    maxTimeMS?: number;
};
export declare class MongoProvider {
    readonly coll: Collection;
    protected static readonly clients: {
        [key: string]: Promise<MongoClient>;
    };
    constructor(coll: Collection);
    static destroyAll(): Promise<void>;
    private static connect;
    cluster(): Promise<MongoClient>;
    collection<T extends Document = Document>(): Promise<MongoCollection<T>>;
    toMongoJson(query: Query): Json;
    withTimeout(options?: Partial<FindOptions & Options>): Partial<FindOptions> & Options;
    find(query: Query, options?: FindOptions & Options): Promise<PageList<Json>>;
    all(options?: FindOptions): Promise<PageList<Json>>;
    byId(id: Id, options?: FindOptions): Promise<Json>;
    by(key: string, value: JsonValue, options?: FindOptions): Promise<PageList<Json>>;
    group(qs: Filter<any>[], options?: Options): Promise<PageList<Json>>;
    aggregate(qs: Filter<any>[], options?: Options): Promise<PageList<Json>>;
    add(item: Json): Promise<Json>;
    update(item: Json): Promise<Json>;
    remove(id: Id): Promise<boolean>;
    count(query?: Query, options?: Options): Promise<number>;
    createIndex(indexes: Indexes, options?: IndexOptions): Promise<string>;
    createPartialIndex(indexes: Indexes, filter: Query, options?: Omit<IndexOptions, 'filter'>): Promise<string>;
    createTextIndex(indexes: OneOrMore<Field | string>, options?: IndexOptions): Promise<string>;
    protected toFindOptions(options?: FindOptions): MongoFindOptions & {
        total: boolean;
    };
    protected toIndexSpecification(index: Indexes): IndexSpecification;
    protected toCreateIndexesOptions(options?: IndexOptions): CreateIndexesOptions;
    protected toArray(cursor: FindCursor<Document> | AggregationCursor<Document>, options?: {
        take?: number;
        skip?: number;
        total?: number;
    }): Promise<PageList<Json>>;
}