| DataConstants | Constants for the Maps Data API |
| FeatureEntry | Describes a feature entry. |
| FeatureFeed | Describes a feature feed. |
| KmlContent | KML feature data. |
| KmlContent.Type | Type of text construct (typically 'text', 'html' or 'xhtml'). |
| MapEntry | Describes a map entry. |
| MapFeed | Describes a map feed. |
| MapsLink | Extends the base Link class with Maps extensions. |
| MapsLink.Rel | Link relation type. |
| MapsNamespace | Namespace definitions related to Google Maps Data API. |
| VersionEntry | Describes a version entry. |
| VersionFeed | Describes a version feed. |