| class  | AbstractDocument | Base OGC API document class, with identifier and links | 
| class  | Collection<T> | Single collection document | 
| class  | CollectionExtent | Extent details (including spatial and temporal). | 
| class  | CollectionExtent.SpatialExtents | Spatial extent bboxs, each bbox xmin,ymin,xmax,ymax crs CRS84. | 
| class  | CollectionExtent.TemporalExtents | Temporal extent intervals, each interval between two UTC times. | 
| class  | CollectionList |  | 
| class  | Link | A Link with common (and less common) properties found in OGC APIs | 
| class  | STACLandingPage | Landing page for STAC APIs, basically a document with links, with the addition of conformance classes. |