Prism.languages.protobuf = Prism.languages.extend('clike', {
	keyword: /\b(package|import|message|enum)\b/,
	builtin: /\b(required|repeated|optional|reserved)\b/,
	primitive: {
		pattern: /\b(double|float|int32|int64|uint32|uint64|sint32|sint64|fixed32|fixed64|sfixed32|sfixed64|bool|string|bytes)\b/,
		alias: 'symbol'
	}
});
