(List
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('proto', {[VarSub 1]})])
  (Com {[LIT_CHARS protoc]} {[LIT_CHARS --go_out] [LIT_DBRACKET_LIKE "="] [LIT_VAR_LIKE "plugins="] [LIT_CHARS grpc] [LIT_OTHER ":"] [LIT_CHARS .]} {[VarSub proto]}  )
)