...
1. get "metadata" or getting a property value in 'metadata'
2. get "inputs"
3. get "NodeTemplates" or get the ''NodeTemplates" by type
4. get full set of "properties" for a nodetemplate or get the leaf value for the "properties"
5. get "requirements" for a nodetemplate
6. get "policies" for a nodetemplate
7. get "interfaces" for a nodetemplate
8. get "capabilites" for a nodetemplate or get the leaf value for the "capabilites"
9. get "description"
10. get "artifacts"
11. get "groups" for a nodetemplate or get the leaf value for the "groups"
12. get all VL or VF node template in csar package
13. get VFC node templates for a VF nodetemplate