# Package com.google.appengine.api.blobstore.dev

- Interface Summary
  Interface | Description
  --- | ---
  BlobStorage | `BlobStorage` provide an abstraction over the storage of blob content.

- Class Summary
  Class | Description
  --- | ---
  BlobInfoStorage | `BlobInfoStorage` provides persistence of blob metadata (in the form of `BlobInfo` objects).
  BlobStorageFactory | `BlobStorageFactory` provides some helper methods for instantiating implementations of `BlobStorage` and `BlobInfoStorage`.
  BlobUploadSessionStorage | `BlobUploadSessionStorage` handles persistence of `BlobUploadSession` objects.
  LocalBlobstoreService | Implementation of local blobstore service.
  ReservedKinds | Exposes constants for reserved datastore kinds used by the local blobstore service.
  ServeBlobFilter | `ServeBlobFilter` implements the ability to serve a blob in the development environment.
  ServeBlobFilter.ResponseWrapper |
  UploadBlobServlet | `UploadBlobServlet` handles blob uploads in the development server.