datatype                Return the type name of the GDAL data type.
gcp_extent              Create a set of GCPs (ground control points)
                        from dimension, extent
mem                     Generate a data source name (DSN) for the GDAL
                        MEM driver
prefix                  Prefix handlers for GDAL data source names
sds                     Wrapping handlers for GDAL data source names
vrtcon                  VRT connection
