DocumentRequest Represents the arguments to load a document.

 ResourceRequest Represents the arguments to load a resource.

 HttpMethod Represents the usable methods for transmitting HTTP forms.

 HeaderNames The collection of (known / used) header names.

 MimeTypes Contains a list of common mime-types.

 IDocumentLoader Interface used to handle top-level document requests. These requests include navigation tasks.

 IRequest Specifies what is used for requesting data.

 IRequester Defines the required methods any requester object must have.

 IResourceLoader Interface used to handle resource requests for a document. These requests include, but are not limited to, media, script and styling resources.

 IResponse Specifies what is stored when receiving data.