BucketReadWriter and GridFsStream are obsolete

src/GridFS/BucketReadWriter.php

-<?php
-namespace MongoDB\GridFS;
-
-class BucketReadWriter
-{
-    private $bucket;
-
-    public function __construct(Bucket $bucket)
-    {
-        $this->bucket = $bucket;
-    }
-     /**
-     * Opens a Stream for writing the contents of a file.
-     *
-     * @param string   $filename     file to upload
-     * @param array    $options      Stream Options
-     * @return Stream  uploadStream
-     */
-    public function openUploadStream($filename, array $options = [])
-    {
-        $options = [
-            'bucket' => $this->bucket,
-            'uploadOptions' => $options
-            ];
-        $context = stream_context_create(['gridfs' => $options]);
-        return fopen(sprintf('gridfs://%s/%s', $this->bucket->getDatabaseName(), $filename), 'w', false, $context);
-    }
-    /**
-     * Upload a file to this bucket by specifying the source stream file
-     *
-     * @param String   $filename    Filename To Insert
-     * @param Stream   $source      Source Stream
-     * @param array    $options     Stream Options
-     * @return ObjectId
-     */
-    public function uploadFromStream($filename, $source, array $options = [])
-    {
-        $gridFsStream = new GridFsUpload($this->bucket, $filename, $options);
-        return $gridFsStream->uploadFromStream($source);
-    }
-    /**
-     * Opens a Stream for reading the contents of a file specified by ID.
-     *
-     * @param ObjectId $id
-     * @return Stream
-     */
-    public function openDownloadStream(\MongoDB\BSON\ObjectId $id)
-    {
-        $options = [
-            'bucket' => $this->bucket
-            ];
-        $context = stream_context_create(['gridfs' => $options]);
-        return fopen(sprintf('gridfs://%s/%s', $this->bucket->getDatabaseName(), $id), 'r', false, $context);
-    }
-      /**
-       * Downloads the contents of the stored file specified by id and writes
-       * the contents to the destination Stream.
-       * @param ObjectId  $id           GridFS File Id
-       * @param Stream    $destination  Destination Stream
-       */
-    public function downloadToStream(\MongoDB\BSON\ObjectId $id, $destination)
-    {
-        $gridFsStream = new GridFsDownload($this->bucket, $id);
-        $gridFsStream->downloadToStream($destination);
-    }
-    /**
-    * Delete a file from the GridFS bucket. If the file collection entry is not found, still attempts to delete orphaned chunks
-    *
-    * @param ObjectId    $id     file id
-    * @throws GridFSFileNotFoundException
-    */
-    public function delete(\MongoDB\BSON\ObjectId $id)
-    {
-        $options =[];
-        $writeConcern = $this->bucket->getWriteConcern();
-        if(!is_null($writeConcern)) {
-            $options['writeConcern'] = $writeConcern;
-        }
-        $file = $this->bucket->getFilesCollection()->findOne(['_id' => $id]);
-        $this->bucket->getChunksCollection()->deleteMany(['files_id' => $id], $options);
-        if (is_null($file)) {
-            throw new \MongoDB\Exception\GridFSFileNotFoundException($id, $this->bucket->getDatabaseName(), $this->bucket->getBucketName());
-        }
-
-        $this->bucket->getFilesCollection()->deleteOne(['_id' => $id], $options);
-    }
-    /**
-    * Open a stream to download a file from the GridFS bucket. Searches for the file by the specified name then returns a stream to the specified file
-    * @param string    $filename     name of the file to download
-    * @param int       $revision     the revision of the file to download
-    * @throws GridFSFileNotFoundException
-    */
-    public function openDownloadStreamByName($filename, $revision = -1)
-    {
-        $file = $this->bucket->findFileRevision($filename, $revision);
-        $options = ['bucket' => $this->bucket,
-                    'file' => $file
-                ];
-        $context = stream_context_create(['gridfs' => $options]);
-        return fopen(sprintf('gridfs://%s/%s', $this->bucket->getDatabaseName(), $filename), 'r', false, $context);
-    }
-    /**
-    * Download a file from the GridFS bucket by name. Searches for the file by the specified name then loads data into the stream
-    *
-    * @param string    $filename     name of the file to download
-    * @param int       $revision     the revision of the file to download
-    * @throws GridFSFileNotFoundException
-    */
-    public function downloadToStreamByName($filename, $destination, $revision=-1)
-    {
-        $file = $this->bucket->findFileRevision($filename, $revision);
-        $gridFsStream = new GridFsDownload($this->bucket, null, $file);
-        $gridFsStream->downloadToStream($destination);
-    }
-    /**
-    * Find files from the GridFS bucket files collection.
-    *
-    * @param array    $filter     filter to find by
-    * @param array    $options    options to
-    */
-    public function find($filter, array $options =[])
-    {
-        return $this->bucket->getFilesCollection()->find($filter, $options);
-    }
-}

src/GridFS/GridFsStream.php

-<?php
-namespace MongoDB\GridFS;
-
-use MongoDB\Collection;
-use MongoDB\Exception\RuntimeException;
-/**
- * GridFsStream holds the configuration for upload or download streams to GridFS
- *
- * @api
- */
-class GridFsStream
-{
-    protected $bucket;
-    protected $n;
-    protected $buffer;
-    protected $file;
-    /**
-    * Constructs a GridFsStream
-    *
-    * @param \MongoDB\GridFS\Bucket  $bucket   GridFS Bucket
-    */
-    public function __construct(Bucket $bucket)
-    {
-        $this->bucket = $bucket;
-        $this->n = 0;
-        $this->buffer = fopen('php://temp', 'w+');
-    }
-}