enum TokenType {
  ARROBA,
  COLON,
  COMMA,
  DOLLAR,
  ELLIPSIS,
  EQUALS,
  EXCLAMATION,
  LBRACE,
  RBRACE,
  LBRACKET,
  RBRACKET,
  LPAREN,
  RPAREN,

  FRAGMENT,
  MUTATION,
  ON,
  QUERY,

  BOOLEAN,
  NUMBER,
  STRING,

  NAME
}
