import type { Document } from '../bson';
import type { Collection } from '../collection';
import type { Server } from '../sdam/server';
import type { ClientSession } from '../sessions';
import { Sort } from '../sort';
import { Callback, MongoDBNamespace } from '../utils';
import { CollationOptions, CommandOperation, CommandOperationOptions } from './command';
import { Hint } from './operation';
/**
 * @public
 * @typeParam TSchema - Unused schema definition, deprecated usage, only specify `FindOptions` with no generic
 */
export interface FindOptions<TSchema extends Document = Document> extends CommandOperationOptions {
    /** Sets the limit of documents returned in the query. */
    limit?: number;
    /** Set to sort the documents coming back from the query. Array of indexes, `[['a', 1]]` etc. */
    sort?: Sort;
    /** The fields to return in the query. Object of fields to either include or exclude (one of, not both), `{'a':1, 'b': 1}` **or** `{'a': 0, 'b': 0}` */
    projection?: Document;
    /** Set to skip N documents ahead in your query (useful for pagination). */
    skip?: number;
    /** Tell the query to use specific indexes in the query. Object of indexes to use, `{'_id':1}` */
    hint?: Hint;
    /** Specify if the cursor can timeout. */
    timeout?: boolean;
    /** Specify if the cursor is tailable. */
    tailable?: boolean;
    /** Specify if the cursor is a tailable-await cursor. Requires `tailable` to be true */
    awaitData?: boolean;
    /** Set the batchSize for the getMoreCommand when iterating over the query results. */
    batchSize?: number;
    /** If true, returns only the index keys in the resulting documents. */
    returnKey?: boolean;
    /** The inclusive lower bound for a specific index */
    min?: Document;
    /** The exclusive upper bound for a specific index */
    max?: Document;
    /** Set the maxScan,  comparability to MongoDB 3.x. add by qinghai */
    maxScan?: number;
    /** You can put a $comment field on a query to make looking in the profiler logs simpler. */
    comment?: any;
    /** Number of milliseconds to wait before aborting the query. */
    maxTimeMS?: number;
    /** The maximum amount of time for the server to wait on new documents to satisfy a tailable cursor query. Requires `tailable` and `awaitData` to be true */
    maxAwaitTimeMS?: number;
    /** The server normally times out idle cursors after an inactivity period (10 minutes) to prevent excess memory use. Set this option to prevent that. */
    noCursorTimeout?: boolean;
    /** Specify collation (MongoDB 3.4 or higher) settings for update operation (see 3.4 documentation for available fields). */
    collation?: CollationOptions;
    /** Allows disk use for blocking sort operations exceeding 100MB memory. (MongoDB 3.2 or higher) */
    allowDiskUse?: boolean;
    /** Determines whether to close the cursor after the first batch. Defaults to false. */
    singleBatch?: boolean;
    /** For queries against a sharded collection, allows the command (or subsequent getMore commands) to return partial results, rather than an error, if one or more queried shards are unavailable. */
    allowPartialResults?: boolean;
    /** Determines whether to return the record identifier for each document. If true, adds a field $recordId to the returned documents. */
    showRecordId?: boolean;
    /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
    let?: Document;
}
/** @internal */
export declare class FindOperation extends CommandOperation<Document> {
    options: FindOptions;
    filter: Document;
    constructor(collection: Collection | undefined, ns: MongoDBNamespace, filter?: Document, options?: FindOptions);
    execute(server: Server, session: ClientSession | undefined, callback: Callback<Document>): void;
}
//# sourceMappingURL=find.d.ts.map