«Class "GPBMetadata\<...>" not found»

[dmitrii-fediuk]

#5, #7, #10

[dmitrii-fediuk]

The #7 problem is caused by google/common-protos ≥ 4.

It is reproduced with PHP ≥ 7.4:

composer require google/cloud-vision:"*"

require_once 'vendor/autoload.php';
echo class_exists(\GPBMetadata\Google\Api\Annotations::class) . "\n"; # OK
echo class_exists(\GPBMetadata\Google\Api\Http::class); # Error

The #5 problem is caused by google/cloud-vision ≥ 1.3.