test.textproto

    # comment

    a_1: # comment

      101

    b: true
    C <

      # comment
      a: 117,
    >
    d: {

      a: 117, # comment
    }
    e: [

      # comment
      "a", "b" # comment
    ]
    # comment
    f: MY_ENUM
    g: "124"
    h: "116 \000 \377"
    [type.googleapis.com/google.rpc.ErrorInfo] {
      reason: "NOT_FOUND"
    }
    [a_b.c_d]

     {
      a: 123 # comment
    }
    multistring: "abc (עולם) 321" "hello\n" # comment
    multiline: # comment
      "abc" # comment
      "def"
      'def'
      'ghi'
      "jkl"

    message: [1, 2]
    message  [1, 2]
    message: {}
    message  {}
    float: 12.5f
    hex: 0x12