How to fix composer install?

Question

Composer

Hello everyone,
I will immediately describe the problem:
$ composer install

Deprecation Notice: The Composer\Package\LinkConstraint\MultiConstraint class is deprecated, use Composer\Semver\Constraint\MultiConstraint instead. in phar:///usr/local/bin/composer/src/Composer/Package/LinkConstraint/MultiConstraint.php:17
Deprecation Notice: The Composer\Package\LinkConstraint\LinkConstraintInterface interface is deprecated, use Composer\Semver\Constraint\ConstraintInterface instead. in

phar:///usr/local/bin/composer/src/Composer/Package/LinkConstraint/LinkConstraintInterface.php:17
ssh -T [email protected]
Git connection is fine.

Answer 1

$ composer global update

Have you forgotten how to google?

Answer 2

Well, it's still written This is not an error, but a warning. No problem, you can keep working.