---
trees:
  tree-echo-nested:
    templates: echo-template
    variables:
      template-variable: nested
      tree-variable: nested
      tree-override: nested
  tree-echo-extended-tree-inner:
    extend: tree-echo-nested
    variables:
      template-variable: extended-tree
      tree-override: extended-tree
  # This tree is overridden by the top-level garden.yaml.
  # The variables provided here should get overridden by the top-level variables.
  tree-echo-extended-tree:
    extend: tree-echo-nested
    variables:
      template-variable: extended-tree
      tree-override: extended-tree
      extended-variable: extended-tree

  replacement-tree:
    url: https://example.com/original/tree
    variables:
      tree-variable: inner-replacement-tree
    commands:
      tree-command: echo replacement-tree
...