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import { Binary, Document, ObjectId } from "../../deps.ts";import { ReadPreference } from "../types.ts";import { ReadConcern, WriteConcern } from "../types/read_write_concern.ts";
export type FileId = ObjectId;
export interface Chunk {  _id: ObjectId;  // deno-lint-ignore camelcase  files_id: ObjectId;  n: number;  data: Binary;}
export interface File {  _id: ObjectId;  length: number;  chunkSize: number;  uploadDate: Date;  filename: string;  metadata?: Document;}
export interface GridFSBucketOptions {  /**   * The bucket name. Defaults to 'fs'.   */  bucketName?: string;
  /**   * The chunk size in bytes. Defaults to 255 KiB.   */  chunkSizeBytes?: number;
  /**   * The write concern. Defaults to the write concern of the database.   */  writeConcern?: WriteConcern;
  /**   * The read concern. Defaults to the read concern of the database.   */  readConcern?: ReadConcern;
  /**   * The read preference. Defaults to the read preference of the database.   */  readPreference?: ReadPreference;}
export interface GridFSUploadOptions {  /**   * The number of bytes per chunk of this file. Defaults to the   * chunkSizeBytes in the GridFSBucketOptions.   */  chunkSizeBytes?: number;
  /**   * User data for the 'metadata' field of the files collection document.   * If not provided the driver MUST omit the metadata field from the   * files collection document.   */  metadata?: Document;}
export class GridFSFindOptions {  /**   * Enables writing to temporary files on the server. When set to true, the server   * can write temporary data to disk while executing the find operation on the files collection.   *   * This option is sent only if the caller explicitly provides a value. The default   * is to not send a value. For servers < 3.2, this option is ignored and not sent   * as allowDiskUse does not exist in the OP_QUERY wire protocol.   *   * @see https://docs.mongodb.com/manual/reference/command/find/   */  allowDiskUse?: boolean;
  /**   * The number of documents to return per batch.   */  batchSize?: number;
  /**   * The maximum number of documents to return.   */  limit?: number;
  /**   * The maximum amount of time to allow the query to run.   */  maxTimeMS?: 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;
  /**   * The number of documents to skip before returning.   */  skip?: number;
  /**   * The order by which to sort results. Defaults to not sorting.   */  sort?: Document;}