function parseEnumTypeDefinition()
{
$start = $this->lexer->token;
$this->expectKeyword('enum');
$name = $this->parseName();
$directives = $this->parseDirectives();
$values = $this->many(Token::BRACE_L, [$this, 'parseEnumValueDefinition'], Token::BRACE_R);
return new EnumTypeDefinitionNode(['name' => $name, 'directives' => $directives, 'values' => $values, 'loc' => $this->loc($start)]);
}