SOURCE_FILE@0..16
  TYPE_ALIAS@0..15
    TYPE_KW@0..4 "type"
    WHITESPACE@4..5 " "
    NAME@5..10
      IDENT@5..10 "Never"
    WHITESPACE@10..11 " "
    EQ@11..12 "="
    WHITESPACE@12..13 " "
    NEVER_TYPE@13..14
      BANG@13..14 "!"
    SEMICOLON@14..15 ";"
  WHITESPACE@15..16 "\n"