| Class | Description |
|---|---|
| MetadataSchema | Base class for Metadata schemas. |
| MetadataSchemaCollection | The XMP Metadata Schema collection. |
| MetadataString | A string value for a MetadataSchema. |
| MetadataValue | Abstact base class for Metadata values |
| UnsupportedMetadataValue | A value for a MetadataSchema that has an unupported type. |