catalog                 Create a data source catalog
engines                 A list of engine types
fetch                   Fetch a dataset from a data catalog
import_spec             Create an Import Specification
print.dcat              Print a data catalog
print.dinfo             Print a data catalog item
print.specs             Print import specifications
read.specs              Read import specs from the file system
specs                   Create an Import Spec Collection
write.specs             Write import specs to the file system
