text: syntax = "proto3";
  
  package a;
  
  message Two {
    enum EnumOne {
      ENUM_ONE_UNSPECIFIED = 0;
    }
  }
  
  message Three {
    message Four {
      message Six {}
    }
    message Eight {}
  }
  
  enum EnumTwo {
    ENUM_TWO_UNSPECIFIED = 0;
  }
  
  service Baz {}
  