--TEST--

See GitHub issue #9290 ( https://github.com/composer/composer/issues/9290 ).
MultiConflictRule with a level 1 decision needs to exit correctly.

--COMPOSER--
{
    "require": {
        "mailgun/mailgun-php": "^2.8"
    },
    "minimum-stability": "dev",
    "repositories": {
        "mailgun/mailgun-php": {
            "type": "package",
            "package": [
                {
                    "name": "mailgun/mailgun-php",
                    "version": "2.x-dev",
                    "type": "library",
                    "require": {
                        "php-http/httplug": "^1.0 || ^2.0",
                        "php-http/client-common": "^1.1"
                    }
                }
            ]
        },
        "php-http/client-common": {
            "type": "package",
            "package": [
                {
                    "name": "php-http/client-common",
                    "version": "1.10.0",
                    "type": "library",
                    "require": {
                        "php-http/httplug": "^1.1",
                        "symfony/options-resolver": "^5.0"
                    }
                },
                {
                    "name": "php-http/client-common",
                    "version": "1.x-dev",
                    "type": "library",
                    "require": {
                        "php-http/httplug": "^1.1",
                        "symfony/options-resolver": "^5.0"
                    }
                }
            ]
        },
        "php-http/httplug": {
            "type": "package",
            "package": [
                {
                    "name": "php-http/httplug",
                    "version": "v2.0.0",
                    "type": "library"
                },
                {
                    "name": "php-http/httplug",
                    "version": "v1.1.0",
                    "type": "library"
                },
                {
                    "name": "php-http/httplug",
                    "version": "dev-master",
                    "type": "library",
                    "extra": {
                        "branch-alias": {
                            "dev-master": "2.x-dev"
                        }
                    },
                    "default-branch": true
                }
            ]
        },
        "symfony/options-resolver": {
            "type": "package",
            "package": [
                {
                    "name": "symfony/options-resolver",
                    "version": "v5.2.0-BETA1",
                    "type": "library"
                }
            ]
        }
    }
}

--RUN--
update

--EXPECT--
Installing php-http/httplug (v1.1.0)
Installing symfony/options-resolver (v5.2.0-BETA1)
Installing php-http/client-common (1.x-dev)
Installing mailgun/mailgun-php (2.x-dev)