Error: `Search` has no member types
   ╭─[0117_union_definition_with_missing_members.graphql:6:1]
   │
 6 │ union Search
   │ ──────┬─────  
   │       ╰─────── Search type defined here
   │ 
 8 │ extend union Search @foo
   │ ────────────┬───────────  
   │             ╰───────────── Search extension defined here
   │ 
   │ Help: Define one or more union member types on `Search` or its type extensions.
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