root.yaml

---
root:
    filename:
        entities:
            - any
        extensions:
            - '/'
    children:
        _use:
            - ./top_level_files.yaml
            - subjects
subjects:
    filename:
        entities:
            - subject
        extensions:
            - '/'
        children:
            - sessions
            - datatypes
sessions:
    filename:
        enitites:
            - session
        extensions:
            - '/'
        children:
            - datatypes
datatypes:
    _use:
        - anatomical
        - functional
functional:
    filename:
        entities:
            - 'func'
        extensions:
            - '/'
        children:
            - ./datatypes/func.yaml