import type { Document } from '../bson';
import type { Collection } from '../collection';
import type { Db } from '../db';
import type { OneOrMore } from '../mongo_types';
import type { Server } from '../sdam/server';
import type { ClientSession } from '../sessions';
import { Callback, MongoDBNamespace } from '../utils';
import { CollationOptions, CommandOperation, CommandOperationOptions, OperationParent } from './command';
import { IndexInformationOptions } from './common_functions';
import { AbstractOperation } from './operation';
/** @public */
export declare type IndexDirection = -1 | 1 | '2d' | '2dsphere' | 'text' | 'geoHaystack' | number;
/** @public */
export declare type IndexSpecification = OneOrMore<string | [string, IndexDirection] | {
    [key: string]: IndexDirection;
} | [string, IndexDirection][] | {
    [key: string]: IndexDirection;
}[]>;
/** @public */
export interface IndexDescription extends Pick<CreateIndexesOptions, 'background' | 'unique' | 'partialFilterExpression' | 'sparse' | 'hidden' | 'expireAfterSeconds' | 'storageEngine' | 'version' | 'weights' | 'default_language' | 'language_override' | 'textIndexVersion' | '2dsphereIndexVersion' | 'bits' | 'min' | 'max' | 'bucketSize' | 'wildcardProjection'> {
    collation?: CollationOptions;
    name?: string;
    key: Document;
}
/** @public */
export interface CreateIndexesOptions extends CommandOperationOptions {
    /** Creates the index in the background, yielding whenever possible. */
    background?: boolean;
    /** Creates an unique index. */
    unique?: boolean;
    /** Override the autogenerated index name (useful if the resulting name is larger than 128 bytes) */
    name?: string;
    /** Creates a partial index based on the given filter object (MongoDB 3.2 or higher) */
    partialFilterExpression?: Document;
    /** Creates a sparse index. */
    sparse?: boolean;
    /** Allows you to expire data on indexes applied to a data (MongoDB 2.2 or higher) */
    expireAfterSeconds?: number;
    /** Allows users to configure the storage engine on a per-index basis when creating an index. (MongoDB 3.0 or higher) */
    storageEngine?: Document;
    /** (MongoDB 4.4. or higher) Specifies how many data-bearing members of a replica set, including the primary, must complete the index builds successfully before the primary marks the indexes as ready. This option accepts the same values for the "w" field in a write concern plus "votingMembers", which indicates all voting data-bearing nodes. */
    commitQuorum?: number | string;
    /** Specifies the index version number, either 0 or 1. */
    version?: number;
    weights?: Document;
    default_language?: string;
    language_override?: string;
    textIndexVersion?: number;
    '2dsphereIndexVersion'?: number;
    bits?: number;
    /** For geospatial indexes set the lower bound for the co-ordinates. */
    min?: number;
    /** For geospatial indexes set the high bound for the co-ordinates. */
    max?: number;
    bucketSize?: number;
    wildcardProjection?: Document;
    /** Specifies that the index should exist on the target collection but should not be used by the query planner when executing operations. (MongoDB 4.4 or higher) */
    hidden?: boolean;
}
/** @internal */
export declare class IndexesOperation extends AbstractOperation<Document[]> {
    options: IndexInformationOptions;
    collection: Collection;
    constructor(collection: Collection, options: IndexInformationOptions);
    execute(server: Server, session: ClientSession | undefined, callback: Callback<Document[]>): void;
}
/** @internal */
export declare class CreateIndexesOperation<T extends string | string[] = string[]> extends CommandOperation<T> {
    options: CreateIndexesOptions;
    collectionName: string;
    indexes: IndexDescription[];
    constructor(parent: OperationParent, collectionName: string, indexes: IndexDescription[], options?: CreateIndexesOptions);
    execute(server: Server, session: ClientSession | undefined, callback: Callback<T>): void;
}
/** @internal */
export declare class CreateIndexOperation extends CreateIndexesOperation<string> {
    constructor(parent: OperationParent, collectionName: string, indexSpec: IndexSpecification, options?: CreateIndexesOptions);
    execute(server: Server, session: ClientSession | undefined, callback: Callback<string>): void;
}
/** @internal */
export declare class EnsureIndexOperation extends CreateIndexOperation {
    db: Db;
    constructor(db: Db, collectionName: string, indexSpec: IndexSpecification, options?: CreateIndexesOptions);
    execute(server: Server, session: ClientSession | undefined, callback: Callback): void;
}
/** @public */
export declare type DropIndexesOptions = CommandOperationOptions;
/** @internal */
export declare class DropIndexOperation extends CommandOperation<Document> {
    options: DropIndexesOptions;
    collection: Collection;
    indexName: string;
    constructor(collection: Collection, indexName: string, options?: DropIndexesOptions);
    execute(server: Server, session: ClientSession | undefined, callback: Callback<Document>): void;
}
/** @internal */
export declare class DropIndexesOperation extends DropIndexOperation {
    constructor(collection: Collection, options: DropIndexesOptions);
    execute(server: Server, session: ClientSession | undefined, callback: Callback): void;
}
/** @public */
export interface ListIndexesOptions extends CommandOperationOptions {
    /** The batchSize for the returned command cursor or if pre 2.8 the systems batch collection */
    batchSize?: number;
}
/** @internal */
export declare class ListIndexesOperation extends CommandOperation<Document> {
    options: ListIndexesOptions;
    collectionNamespace: MongoDBNamespace;
    constructor(collection: Collection, options?: ListIndexesOptions);
    execute(server: Server, session: ClientSession | undefined, callback: Callback<Document>): void;
}
/** @internal */
export declare class IndexExistsOperation extends AbstractOperation<boolean> {
    options: IndexInformationOptions;
    collection: Collection;
    indexes: string | string[];
    constructor(collection: Collection, indexes: string | string[], options: IndexInformationOptions);
    execute(server: Server, session: ClientSession | undefined, callback: Callback<boolean>): void;
}
/** @internal */
export declare class IndexInformationOperation extends AbstractOperation<Document> {
    options: IndexInformationOptions;
    db: Db;
    name: string;
    constructor(db: Db, name: string, options?: IndexInformationOptions);
    execute(server: Server, session: ClientSession | undefined, callback: Callback<Document>): void;
}
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