1(boolean_scalar) @boolean
 2(null_scalar) @constant.builtin
 3
 4[
 5  (double_quote_scalar)
 6  (single_quote_scalar)
 7  (block_scalar)
 8  (string_scalar)
 9] @string
10
11(escape_sequence) @string.escape
12
13[
14  (integer_scalar)
15  (float_scalar)
16] @number
17
18(comment) @comment
19
20[
21  (anchor_name)
22  (alias_name)
23  (tag)
24] @type
25
26key: (flow_node
27  [
28    (plain_scalar (string_scalar))
29    (double_quote_scalar)
30    (single_quote_scalar)
31  ] @property)
32
33[
34 ","
35 "-"
36 ":"
37 ">"
38 "?"
39 "|"
40] @punctuation.delimiter
41
42[
43 "["
44 "]"
45 "{"
46 "}"
47] @punctuation.bracket
48
49[
50 "*"
51 "&"
52 "---"
53 "..."
54] @punctuation.special