SOURCE_FILE@0..22
  TYPE_ALIAS@0..21
    TYPE_KW@0..4 "type"
    WHITESPACE@4..5 " "
    NAME@5..16
      IDENT@5..16 "Placeholder"
    WHITESPACE@16..17 " "
    EQ@17..18 "="
    WHITESPACE@18..19 " "
    INFER_TYPE@19..20
      UNDERSCORE@19..20 "_"
    SEMICOLON@20..21 ";"
  WHITESPACE@21..22 "\n"
